Finding the Fourth Proportional to 78,955,439,468.12, 118,436,985,927.34 and 25,891,778,377.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,955,439,468.12 : 118,436,985,927.34 = 25,891,778,377.88 : x
2. Step 2: Convert to fraction form
   78,955,439,468.12/118,436,985,927.34 = 25,891,778,377.88/x
3. Step 3: Cross multiply
   78,955,439,468.12x = 118,436,985,927.34 × 25,891,778,377.88
4. Step 4: Simplify right side
   78,955,439,468.12x = 3,066,544,191,374,779,482,112
5. Step 5: Solve for x
   x = 3,066,544,191,374,779,482,112/78,955,439,468.12
6. Step 6: Final answer
   x = 38,838,922,460.98