Finding the Fourth Proportional to 10,385.89, 14,332.30 and 5,670.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,385.89 : 14,332.30 = 5,670.25 : x
2. Step 2: Convert to fraction form
   10,385.89/14,332.30 = 5,670.25/x
3. Step 3: Cross multiply
   10,385.89x = 14,332.30 × 5,670.25
4. Step 4: Simplify right side
   10,385.89x = 81,267,724.08
5. Step 5: Solve for x
   x = 81,267,724.08/10,385.89
6. Step 6: Final answer
   x = 7,824.82