Finding the Fourth Proportional to 10,063.80, 13,888.17 and 5,587.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,063.80 : 13,888.17 = 5,587.83 : x
2. Step 2: Convert to fraction form
   10,063.80/13,888.17 = 5,587.83/x
3. Step 3: Cross multiply
   10,063.80x = 13,888.17 × 5,587.83
4. Step 4: Simplify right side
   10,063.80x = 77,604,732.97
5. Step 5: Solve for x
   x = 77,604,732.97/10,063.80
6. Step 6: Final answer
   x = 7,711.28