Finding the Fourth Proportional to 14,320.88, 19,762.92 and 7,947.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,320.88 : 19,762.92 = 7,947.50 : x
2. Step 2: Convert to fraction form
   14,320.88/19,762.92 = 7,947.50/x
3. Step 3: Cross multiply
   14,320.88x = 19,762.92 × 7,947.50
4. Step 4: Simplify right side
   14,320.88x = 157,065,707.89
5. Step 5: Solve for x
   x = 157,065,707.89/14,320.88
6. Step 6: Final answer
   x = 10,967.60