Finding the Fourth Proportional to 974,991,978.82, 1,345,491,511.01 and 528,955,328.20

Step by Step Solution

1. Step 1: Write the proportion equation
   974,991,978.82 : 1,345,491,511.01 = 528,955,328.20 : x
2. Step 2: Convert to fraction form
   974,991,978.82/1,345,491,511.01 = 528,955,328.20/x
3. Step 3: Cross multiply
   974,991,978.82x = 1,345,491,511.01 × 528,955,328.20
4. Step 4: Simplify right side
   974,991,978.82x = 711,704,903,798,854,016
5. Step 5: Solve for x
   x = 711,704,903,798,854,016/974,991,978.82
6. Step 6: Final answer
   x = 729,959,752.76