Finding the Fourth Proportional to 31,066.02, 42,872.63 and 17,637.03

Step by Step Solution

1. Step 1: Write the proportion equation
   31,066.02 : 42,872.63 = 17,637.03 : x
2. Step 2: Convert to fraction form
   31,066.02/42,872.63 = 17,637.03/x
3. Step 3: Cross multiply
   31,066.02x = 42,872.63 × 17,637.03
4. Step 4: Simplify right side
   31,066.02x = 756,145,773.30
5. Step 5: Solve for x
   x = 756,145,773.30/31,066.02
6. Step 6: Final answer
   x = 24,339.96