Finding the Fourth Proportional to 16,784.88, 23,155.35 and 13,432.41

Step by Step Solution

1. Step 1: Write the proportion equation
   16,784.88 : 23,155.35 = 13,432.41 : x
2. Step 2: Convert to fraction form
   16,784.88/23,155.35 = 13,432.41/x
3. Step 3: Cross multiply
   16,784.88x = 23,155.35 × 13,432.41
4. Step 4: Simplify right side
   16,784.88x = 311,032,154.89
5. Step 5: Solve for x
   x = 311,032,154.89/16,784.88
6. Step 6: Final answer
   x = 18,530.50