Finding the Fourth Proportional to 10,335.99, 15,506.13 and 5,404.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,335.99 : 15,506.13 = 5,404.29 : x
2. Step 2: Convert to fraction form
   10,335.99/15,506.13 = 5,404.29/x
3. Step 3: Cross multiply
   10,335.99x = 15,506.13 × 5,404.29
4. Step 4: Simplify right side
   10,335.99x = 83,799,623.30
5. Step 5: Solve for x
   x = 83,799,623.30/10,335.99
6. Step 6: Final answer
   x = 8,107.56