Finding the Fourth Proportional to 10,148.37, 14,004.47 and 5,672.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,148.37 : 14,004.47 = 5,672.15 : x
2. Step 2: Convert to fraction form
   10,148.37/14,004.47 = 5,672.15/x
3. Step 3: Cross multiply
   10,148.37x = 14,004.47 × 5,672.15
4. Step 4: Simplify right side
   10,148.37x = 79,435,356.13
5. Step 5: Solve for x
   x = 79,435,356.13/10,148.37
6. Step 6: Final answer
   x = 7,827.40