Finding the Fourth Proportional to 10,374.52, 14,322.72 and 7,947.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,374.52 : 14,322.72 = 7,947.28 : x
2. Step 2: Convert to fraction form
   10,374.52/14,322.72 = 7,947.28/x
3. Step 3: Cross multiply
   10,374.52x = 14,322.72 × 7,947.28
4. Step 4: Simplify right side
   10,374.52x = 113,826,666.20
5. Step 5: Solve for x
   x = 113,826,666.20/10,374.52
6. Step 6: Final answer
   x = 10,971.75