Finding the Fourth Proportional to 10,485.90, 14,470.20 and 5,770.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,485.90 : 14,470.20 = 5,770.17 : x
2. Step 2: Convert to fraction form
   10,485.90/14,470.20 = 5,770.17/x
3. Step 3: Cross multiply
   10,485.90x = 14,470.20 × 5,770.17
4. Step 4: Simplify right side
   10,485.90x = 83,495,513.93
5. Step 5: Solve for x
   x = 83,495,513.93/10,485.90
6. Step 6: Final answer
   x = 7,962.65