Finding the Fourth Proportional to 10,146.97, 14,002.89 and 5,670.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,146.97 : 14,002.89 = 5,670.91 : x
2. Step 2: Convert to fraction form
   10,146.97/14,002.89 = 5,670.91/x
3. Step 3: Cross multiply
   10,146.97x = 14,002.89 × 5,670.91
4. Step 4: Simplify right side
   10,146.97x = 79,409,128.93
5. Step 5: Solve for x
   x = 79,409,128.93/10,146.97
6. Step 6: Final answer
   x = 7,825.90