Finding the Fourth Proportional to 14,979.38, 22,460.64 and 4,978.77

Step by Step Solution

1. Step 1: Write the proportion equation
   14,979.38 : 22,460.64 = 4,978.77 : x
2. Step 2: Convert to fraction form
   14,979.38/22,460.64 = 4,978.77/x
3. Step 3: Cross multiply
   14,979.38x = 22,460.64 × 4,978.77
4. Step 4: Simplify right side
   14,979.38x = 111,826,360.61
5. Step 5: Solve for x
   x = 111,826,360.61/14,979.38
6. Step 6: Final answer
   x = 7,465.36