Finding the Fourth Proportional to 13,373.62, 20,061.54 and 4,488.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,373.62 : 20,061.54 = 4,488.53 : x
2. Step 2: Convert to fraction form
   13,373.62/20,061.54 = 4,488.53/x
3. Step 3: Cross multiply
   13,373.62x = 20,061.54 × 4,488.53
4. Step 4: Simplify right side
   13,373.62x = 90,046,723.83
5. Step 5: Solve for x
   x = 90,046,723.83/13,373.62
6. Step 6: Final answer
   x = 6,733.16