Finding the Fourth Proportional to 649,938,870.47, 896,915,641.33 and 371,486,372.71

Step by Step Solution

1. Step 1: Write the proportion equation
   649,938,870.47 : 896,915,641.33 = 371,486,372.71 : x
2. Step 2: Convert to fraction form
   649,938,870.47/896,915,641.33 = 371,486,372.71/x
3. Step 3: Cross multiply
   649,938,870.47x = 896,915,641.33 × 371,486,372.71
4. Step 4: Simplify right side
   649,938,870.47x = 333,191,938,224,545,088
5. Step 5: Solve for x
   x = 333,191,938,224,545,088/649,938,870.47
6. Step 6: Final answer
   x = 512,651,194.39