Finding the Fourth Proportional to 10,146.63, 14,002.31 and 5,670.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,146.63 : 14,002.31 = 5,670.38 : x
2. Step 2: Convert to fraction form
   10,146.63/14,002.31 = 5,670.38/x
3. Step 3: Cross multiply
   10,146.63x = 14,002.31 × 5,670.38
4. Step 4: Simplify right side
   10,146.63x = 79,398,383.35
5. Step 5: Solve for x
   x = 79,398,383.35/10,146.63
6. Step 6: Final answer
   x = 7,825.10