Finding the Fourth Proportional to 57,096,038.79, 78,792,613.29 and 30,990,562.02

Step by Step Solution

1. Step 1: Write the proportion equation
   57,096,038.79 : 78,792,613.29 = 30,990,562.02 : x
2. Step 2: Convert to fraction form
   57,096,038.79/78,792,613.29 = 30,990,562.02/x
3. Step 3: Cross multiply
   57,096,038.79x = 78,792,613.29 × 30,990,562.02
4. Step 4: Simplify right side
   57,096,038.79x = 2,441,827,368,881,621.50
5. Step 5: Solve for x
   x = 2,441,827,368,881,621.50/57,096,038.79
6. Step 6: Final answer
   x = 42,767,018.88