Finding the Fourth Proportional to 49,013.60, 73,520.84 and 13,953.24

Step by Step Solution

1. Step 1: Write the proportion equation
   49,013.60 : 73,520.84 = 13,953.24 : x
2. Step 2: Convert to fraction form
   49,013.60/73,520.84 = 13,953.24/x
3. Step 3: Cross multiply
   49,013.60x = 73,520.84 × 13,953.24
4. Step 4: Simplify right side
   49,013.60x = 1,025,853,925.52
5. Step 5: Solve for x
   x = 1,025,853,925.52/49,013.60
6. Step 6: Final answer
   x = 20,929.99