Finding the Fourth Proportional to 10,146.72, 14,002.23 and 5,670.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,146.72 : 14,002.23 = 5,670.51 : x
2. Step 2: Convert to fraction form
   10,146.72/14,002.23 = 5,670.51/x
3. Step 3: Cross multiply
   10,146.72x = 14,002.23 × 5,670.51
4. Step 4: Simplify right side
   10,146.72x = 79,399,785.24
5. Step 5: Solve for x
   x = 79,399,785.24/10,146.72
6. Step 6: Final answer
   x = 7,825.17