Finding the Fourth Proportional to 31,685.06, 43,726.02 and 17,538.14

Step by Step Solution

1. Step 1: Write the proportion equation
   31,685.06 : 43,726.02 = 17,538.14 : x
2. Step 2: Convert to fraction form
   31,685.06/43,726.02 = 17,538.14/x
3. Step 3: Cross multiply
   31,685.06x = 43,726.02 × 17,538.14
4. Step 4: Simplify right side
   31,685.06x = 766,873,060.40
5. Step 5: Solve for x
   x = 766,873,060.40/31,685.06
6. Step 6: Final answer
   x = 24,202.99