Finding the Fourth Proportional to 17,477.76, 24,115.52 and 10,402.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,477.76 : 24,115.52 = 10,402.80 : x
2. Step 2: Convert to fraction form
   17,477.76/24,115.52 = 10,402.80/x
3. Step 3: Cross multiply
   17,477.76x = 24,115.52 × 10,402.80
4. Step 4: Simplify right side
   17,477.76x = 250,868,931.46
5. Step 5: Solve for x
   x = 250,868,931.46/17,477.76
6. Step 6: Final answer
   x = 14,353.61