Finding the Fourth Proportional to 49,165.60, 73,742.72 and 13,629.56

Step by Step Solution

1. Step 1: Write the proportion equation
   49,165.60 : 73,742.72 = 13,629.56 : x
2. Step 2: Convert to fraction form
   49,165.60/73,742.72 = 13,629.56/x
3. Step 3: Cross multiply
   49,165.60x = 73,742.72 × 13,629.56
4. Step 4: Simplify right side
   49,165.60x = 1,005,080,826.80
5. Step 5: Solve for x
   x = 1,005,080,826.80/49,165.60
6. Step 6: Final answer
   x = 20,442.77