Finding the Fourth Proportional to 31,038,998.52, 42,829,936.47 and 17,986,020.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,038,998.52 : 42,829,936.47 = 17,986,020.24 : x
2. Step 2: Convert to fraction form
   31,038,998.52/42,829,936.47 = 17,986,020.24/x
3. Step 3: Cross multiply
   31,038,998.52x = 42,829,936.47 × 17,986,020.24
4. Step 4: Simplify right side
   31,038,998.52x = 770,340,104,227,334
5. Step 5: Solve for x
   x = 770,340,104,227,334/31,038,998.52
6. Step 6: Final answer
   x = 24,818,458.74