Finding the Fourth Proportional to 23,719.76, 32,731.98 and 13,108.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,719.76 : 32,731.98 = 13,108.76 : x
2. Step 2: Convert to fraction form
   23,719.76/32,731.98 = 13,108.76/x
3. Step 3: Cross multiply
   23,719.76x = 32,731.98 × 13,108.76
4. Step 4: Simplify right side
   23,719.76x = 429,075,506.48
5. Step 5: Solve for x
   x = 429,075,506.48/23,719.76
6. Step 6: Final answer
   x = 18,089.37