Finding the Fourth Proportional to 10,429.35, 15,623.87 and 5,798.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,429.35 : 15,623.87 = 5,798.31 : x
2. Step 2: Convert to fraction form
   10,429.35/15,623.87 = 5,798.31/x
3. Step 3: Cross multiply
   10,429.35x = 15,623.87 × 5,798.31
4. Step 4: Simplify right side
   10,429.35x = 90,592,012.67
5. Step 5: Solve for x
   x = 90,592,012.67/10,429.35
6. Step 6: Final answer
   x = 8,686.26