Finding the Fourth Proportional to 13,499.70, 20,243.48 and 6,100.35

Step by Step Solution

1. Step 1: Write the proportion equation
   13,499.70 : 20,243.48 = 6,100.35 : x
2. Step 2: Convert to fraction form
   13,499.70/20,243.48 = 6,100.35/x
3. Step 3: Cross multiply
   13,499.70x = 20,243.48 × 6,100.35
4. Step 4: Simplify right side
   13,499.70x = 123,492,282.72
5. Step 5: Solve for x
   x = 123,492,282.72/13,499.70
6. Step 6: Final answer
   x = 9,147.78