Finding the Fourth Proportional to 31,059,945.72, 42,862,766.22 and 17,308,608.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,059,945.72 : 42,862,766.22 = 17,308,608.12 : x
2. Step 2: Convert to fraction form
   31,059,945.72/42,862,766.22 = 17,308,608.12/x
3. Step 3: Cross multiply
   31,059,945.72x = 42,862,766.22 × 17,308,608.12
4. Step 4: Simplify right side
   31,059,945.72x = 741,894,823,441,153.75
5. Step 5: Solve for x
   x = 741,894,823,441,153.75/31,059,945.72
6. Step 6: Final answer
   x = 23,885,902.12