Finding the Fourth Proportional to 10,386.02, 14,332.70 and 5,670.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,386.02 : 14,332.70 = 5,670.30 : x
2. Step 2: Convert to fraction form
   10,386.02/14,332.70 = 5,670.30/x
3. Step 3: Cross multiply
   10,386.02x = 14,332.70 × 5,670.30
4. Step 4: Simplify right side
   10,386.02x = 81,270,776.73
5. Step 5: Solve for x
   x = 81,270,776.73/10,386.02
6. Step 6: Final answer
   x = 7,825.01