Finding the Fourth Proportional to 13,501.42, 20,243.34 and 5,601.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,501.42 : 20,243.34 = 5,601.76 : x
2. Step 2: Convert to fraction form
   13,501.42/20,243.34 = 5,601.76/x
3. Step 3: Cross multiply
   13,501.42x = 20,243.34 × 5,601.76
4. Step 4: Simplify right side
   13,501.42x = 113,398,332.28
5. Step 5: Solve for x
   x = 113,398,332.28/13,501.42
6. Step 6: Final answer
   x = 8,398.99