Finding the Fourth Proportional to 23,710.50, 32,719.86 and 13,099.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,710.50 : 32,719.86 = 13,099.91 : x
2. Step 2: Convert to fraction form
   23,710.50/32,719.86 = 13,099.91/x
3. Step 3: Cross multiply
   23,710.50x = 32,719.86 × 13,099.91
4. Step 4: Simplify right side
   23,710.50x = 428,627,057.61
5. Step 5: Solve for x
   x = 428,627,057.61/23,710.50
6. Step 6: Final answer
   x = 18,077.52