Finding the Fourth Proportional to 10,031.56, 13,842.96 and 5,555.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,031.56 : 13,842.96 = 5,555.06 : x
2. Step 2: Convert to fraction form
   10,031.56/13,842.96 = 5,555.06/x
3. Step 3: Cross multiply
   10,031.56x = 13,842.96 × 5,555.06
4. Step 4: Simplify right side
   10,031.56x = 76,898,473.38
5. Step 5: Solve for x
   x = 76,898,473.38/10,031.56
6. Step 6: Final answer
   x = 7,665.65