Finding the Fourth Proportional to 10,386.01, 14,332.74 and 5,670.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,386.01 : 14,332.74 = 5,670.31 : x
2. Step 2: Convert to fraction form
   10,386.01/14,332.74 = 5,670.31/x
3. Step 3: Cross multiply
   10,386.01x = 14,332.74 × 5,670.31
4. Step 4: Simplify right side
   10,386.01x = 81,271,078.95
5. Step 5: Solve for x
   x = 81,271,078.95/10,386.01
6. Step 6: Final answer
   x = 7,825.05