Finding the Fourth Proportional to 17,887.28, 24,685.80 and 9,931.04

Step by Step Solution

1. Step 1: Write the proportion equation
   17,887.28 : 24,685.80 = 9,931.04 : x
2. Step 2: Convert to fraction form
   17,887.28/24,685.80 = 9,931.04/x
3. Step 3: Cross multiply
   17,887.28x = 24,685.80 × 9,931.04
4. Step 4: Simplify right side
   17,887.28x = 245,155,667.23
5. Step 5: Solve for x
   x = 245,155,667.23/17,887.28
6. Step 6: Final answer
   x = 13,705.59