Finding the Fourth Proportional to 918,399,501.52, 1,377,599,355.96 and 373,141,404.88

Step by Step Solution

1. Step 1: Write the proportion equation
   918,399,501.52 : 1,377,599,355.96 = 373,141,404.88 : x
2. Step 2: Convert to fraction form
   918,399,501.52/1,377,599,355.96 = 373,141,404.88/x
3. Step 3: Cross multiply
   918,399,501.52x = 1,377,599,355.96 × 373,141,404.88
4. Step 4: Simplify right side
   918,399,501.52x = 514,039,359,044,697,600
5. Step 5: Solve for x
   x = 514,039,359,044,697,600/918,399,501.52
6. Step 6: Final answer
   x = 559,712,149.44