Finding the Fourth Proportional to 152,990,440.22, 211,120,647.39 and 83,374,326.42

Step by Step Solution

1. Step 1: Write the proportion equation
   152,990,440.22 : 211,120,647.39 = 83,374,326.42 : x
2. Step 2: Convert to fraction form
   152,990,440.22/211,120,647.39 = 83,374,326.42/x
3. Step 3: Cross multiply
   152,990,440.22x = 211,120,647.39 × 83,374,326.42
4. Step 4: Simplify right side
   152,990,440.22x = 17,602,041,769,495,580
5. Step 5: Solve for x
   x = 17,602,041,769,495,580/152,990,440.22
6. Step 6: Final answer
   x = 115,053,213.42