Finding the Fourth Proportional to 13,499.42, 20,240.36 and 5,599.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,499.42 : 20,240.36 = 5,599.76 : x
2. Step 2: Convert to fraction form
   13,499.42/20,240.36 = 5,599.76/x
3. Step 3: Cross multiply
   13,499.42x = 20,240.36 × 5,599.76
4. Step 4: Simplify right side
   13,499.42x = 113,341,130.31
5. Step 5: Solve for x
   x = 113,341,130.31/13,499.42
6. Step 6: Final answer
   x = 8,396.00