Finding the Fourth Proportional to 10,106.48, 13,947.72 and 6,572.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,106.48 : 13,947.72 = 6,572.72 : x
2. Step 2: Convert to fraction form
   10,106.48/13,947.72 = 6,572.72/x
3. Step 3: Cross multiply
   10,106.48x = 13,947.72 × 6,572.72
4. Step 4: Simplify right side
   10,106.48x = 91,674,458.20
5. Step 5: Solve for x
   x = 91,674,458.20/10,106.48
6. Step 6: Final answer
   x = 9,070.86