Finding the Fourth Proportional to 838,436,560.22, 1,157,047,196.42 and 486,221,675.52

Step by Step Solution

1. Step 1: Write the proportion equation
   838,436,560.22 : 1,157,047,196.42 = 486,221,675.52 : x
2. Step 2: Convert to fraction form
   838,436,560.22/1,157,047,196.42 = 486,221,675.52/x
3. Step 3: Cross multiply
   838,436,560.22x = 1,157,047,196.42 × 486,221,675.52
4. Step 4: Simplify right side
   838,436,560.22x = 562,581,426,499,050,944
5. Step 5: Solve for x
   x = 562,581,426,499,050,944/838,436,560.22
6. Step 6: Final answer
   x = 670,988,662.94