Finding the Fourth Proportional to 31,687.59, 47,578.12 and 17,675.00

Step by Step Solution

1. Step 1: Write the proportion equation
   31,687.59 : 47,578.12 = 17,675.00 : x
2. Step 2: Convert to fraction form
   31,687.59/47,578.12 = 17,675.00/x
3. Step 3: Cross multiply
   31,687.59x = 47,578.12 × 17,675.00
4. Step 4: Simplify right side
   31,687.59x = 840,943,167.34
5. Step 5: Solve for x
   x = 840,943,167.34/31,687.59
6. Step 6: Final answer
   x = 26,538.56