Finding the Fourth Proportional to 12,535.32, 17,301.78 and 8,558.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,535.32 : 17,301.78 = 8,558.04 : x
2. Step 2: Convert to fraction form
   12,535.32/17,301.78 = 8,558.04/x
3. Step 3: Cross multiply
   12,535.32x = 17,301.78 × 8,558.04
4. Step 4: Simplify right side
   12,535.32x = 148,069,325.31
5. Step 5: Solve for x
   x = 148,069,325.31/12,535.32
6. Step 6: Final answer
   x = 11,812.17