Finding the Fourth Proportional to 10,031.35, 13,843.77 and 5,555.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,031.35 : 13,843.77 = 5,555.59 : x
2. Step 2: Convert to fraction form
   10,031.35/13,843.77 = 5,555.59/x
3. Step 3: Cross multiply
   10,031.35x = 13,843.77 × 5,555.59
4. Step 4: Simplify right side
   10,031.35x = 76,910,310.17
5. Step 5: Solve for x
   x = 76,910,310.17/10,031.35
6. Step 6: Final answer
   x = 7,666.99