Finding the Fourth Proportional to 10,031.55, 13,842.41 and 5,554.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,031.55 : 13,842.41 = 5,554.18 : x
2. Step 2: Convert to fraction form
   10,031.55/13,842.41 = 5,554.18/x
3. Step 3: Cross multiply
   10,031.55x = 13,842.41 × 5,554.18
4. Step 4: Simplify right side
   10,031.55x = 76,883,216.05
5. Step 5: Solve for x
   x = 76,883,216.05/10,031.55
6. Step 6: Final answer
   x = 7,664.14