Finding the Fourth Proportional to 10,031.99, 13,844.30 and 5,555.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,031.99 : 13,844.30 = 5,555.73 : x
2. Step 2: Convert to fraction form
   10,031.99/13,844.30 = 5,555.73/x
3. Step 3: Cross multiply
   10,031.99x = 13,844.30 × 5,555.73
4. Step 4: Simplify right side
   10,031.99x = 76,915,165.06
5. Step 5: Solve for x
   x = 76,915,165.06/10,031.99
6. Step 6: Final answer
   x = 7,666.99