Finding the Fourth Proportional to 10,147.95, 14,003.91 and 5,671.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,147.95 : 14,003.91 = 5,671.76 : x
2. Step 2: Convert to fraction form
   10,147.95/14,003.91 = 5,671.76/x
3. Step 3: Cross multiply
   10,147.95x = 14,003.91 × 5,671.76
4. Step 4: Simplify right side
   10,147.95x = 79,426,746.56
5. Step 5: Solve for x
   x = 79,426,746.56/10,147.95
6. Step 6: Final answer
   x = 7,826.88