Finding the Fourth Proportional to 57,086,991, 78,780,088.62 and 30,981,502.08

Step by Step Solution

1. Step 1: Write the proportion equation
   57,086,991 : 78,780,088.62 = 30,981,502.08 : x
2. Step 2: Convert to fraction form
   57,086,991/78,780,088.62 = 30,981,502.08/x
3. Step 3: Cross multiply
   57,086,991x = 78,780,088.62 × 30,981,502.08
4. Step 4: Simplify right side
   57,086,991x = 2,440,725,479,443,114.50
5. Step 5: Solve for x
   x = 2,440,725,479,443,114.50/57,086,991
6. Step 6: Final answer
   x = 42,754,495.14