Finding the Fourth Proportional to 31,111.02, 42,925.95 and 17,681.22

Step by Step Solution

1. Step 1: Write the proportion equation
   31,111.02 : 42,925.95 = 17,681.22 : x
2. Step 2: Convert to fraction form
   31,111.02/42,925.95 = 17,681.22/x
3. Step 3: Cross multiply
   31,111.02x = 42,925.95 × 17,681.22
4. Step 4: Simplify right side
   31,111.02x = 758,983,165.66
5. Step 5: Solve for x
   x = 758,983,165.66/31,111.02
6. Step 6: Final answer
   x = 24,395.96