Finding the Fourth Proportional to 14,978.94, 22,470.57 and 4,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,978.94 : 22,470.57 = 4,591.50 : x
2. Step 2: Convert to fraction form
   14,978.94/22,470.57 = 4,591.50/x
3. Step 3: Cross multiply
   14,978.94x = 22,470.57 × 4,591.50
4. Step 4: Simplify right side
   14,978.94x = 103,173,622.16
5. Step 5: Solve for x
   x = 103,173,622.16/14,978.94
6. Step 6: Final answer
   x = 6,887.91