Finding the Fourth Proportional to 13,300.62, 19,943.67 and 5,505.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.62 : 19,943.67 = 5,505.18 : x
2. Step 2: Convert to fraction form
   13,300.62/19,943.67 = 5,505.18/x
3. Step 3: Cross multiply
   13,300.62x = 19,943.67 × 5,505.18
4. Step 4: Simplify right side
   13,300.62x = 109,793,493.21
5. Step 5: Solve for x
   x = 109,793,493.21/13,300.62
6. Step 6: Final answer
   x = 8,254.77