Finding the Fourth Proportional to 10,147.88, 14,004.04 and 5,671.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,147.88 : 14,004.04 = 5,671.59 : x
2. Step 2: Convert to fraction form
   10,147.88/14,004.04 = 5,671.59/x
3. Step 3: Cross multiply
   10,147.88x = 14,004.04 × 5,671.59
4. Step 4: Simplify right side
   10,147.88x = 79,425,235.32
5. Step 5: Solve for x
   x = 79,425,235.32/10,147.88
6. Step 6: Final answer
   x = 7,826.78