Finding the Fourth Proportional to 10,031.31, 13,841.80 and 5,555.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,031.31 : 13,841.80 = 5,555.34 : x
2. Step 2: Convert to fraction form
   10,031.31/13,841.80 = 5,555.34/x
3. Step 3: Cross multiply
   10,031.31x = 13,841.80 × 5,555.34
4. Step 4: Simplify right side
   10,031.31x = 76,895,891.32
5. Step 5: Solve for x
   x = 76,895,891.32/10,031.31
6. Step 6: Final answer
   x = 7,665.59