Finding the Fourth Proportional to 31,045,216.29, 42,840,468.12 and 17,105,791.33

Step by Step Solution

1. Step 1: Write the proportion equation
   31,045,216.29 : 42,840,468.12 = 17,105,791.33 : x
2. Step 2: Convert to fraction form
   31,045,216.29/42,840,468.12 = 17,105,791.33/x
3. Step 3: Cross multiply
   31,045,216.29x = 42,840,468.12 × 17,105,791.33
4. Step 4: Simplify right side
   31,045,216.29x = 732,820,108,097,472.88
5. Step 5: Solve for x
   x = 732,820,108,097,472.88/31,045,216.29
6. Step 6: Final answer
   x = 23,604,928.41