Finding the Fourth Proportional to 10,335.59, 15,503.79 and 5,401.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,335.59 : 15,503.79 = 5,401.88 : x
2. Step 2: Convert to fraction form
   10,335.59/15,503.79 = 5,401.88/x
3. Step 3: Cross multiply
   10,335.59x = 15,503.79 × 5,401.88
4. Step 4: Simplify right side
   10,335.59x = 83,749,613.13
5. Step 5: Solve for x
   x = 83,749,613.13/10,335.59
6. Step 6: Final answer
   x = 8,103.03