Finding the Fourth Proportional to 12,410.76, 17,103.78 and 8,432.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,410.76 : 17,103.78 = 8,432.04 : x
2. Step 2: Convert to fraction form
   12,410.76/17,103.78 = 8,432.04/x
3. Step 3: Cross multiply
   12,410.76x = 17,103.78 × 8,432.04
4. Step 4: Simplify right side
   12,410.76x = 144,219,757.11
5. Step 5: Solve for x
   x = 144,219,757.11/12,410.76
6. Step 6: Final answer
   x = 11,620.54