Finding the Fourth Proportional to 10,146.36, 14,002.53 and 5,670.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,146.36 : 14,002.53 = 5,670.12 : x
2. Step 2: Convert to fraction form
   10,146.36/14,002.53 = 5,670.12/x
3. Step 3: Cross multiply
   10,146.36x = 14,002.53 × 5,670.12
4. Step 4: Simplify right side
   10,146.36x = 79,396,025.40
5. Step 5: Solve for x
   x = 79,396,025.40/10,146.36
6. Step 6: Final answer
   x = 7,825.07