Finding the Fourth Proportional to 545,098,665.25, 752,232,331.39 and 297,580,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   545,098,665.25 : 752,232,331.39 = 297,580,019.50 : x
2. Step 2: Convert to fraction form
   545,098,665.25/752,232,331.39 = 297,580,019.50/x
3. Step 3: Cross multiply
   545,098,665.25x = 752,232,331.39 × 297,580,019.50
4. Step 4: Simplify right side
   545,098,665.25x = 223,849,311,838,317,600
5. Step 5: Solve for x
   x = 223,849,311,838,317,600/545,098,665.25
6. Step 6: Final answer
   x = 410,658,337.86