Finding the Fourth Proportional to 23,505.15, 32,436.52 and 13,156.75

Step by Step Solution

1. Step 1: Write the proportion equation
   23,505.15 : 32,436.52 = 13,156.75 : x
2. Step 2: Convert to fraction form
   23,505.15/32,436.52 = 13,156.75/x
3. Step 3: Cross multiply
   23,505.15x = 32,436.52 × 13,156.75
4. Step 4: Simplify right side
   23,505.15x = 426,759,084.49
5. Step 5: Solve for x
   x = 426,759,084.49/23,505.15
6. Step 6: Final answer
   x = 18,155.99