Finding the Fourth Proportional to 49,385.54, 74,080.70 and 16,105.56

Step by Step Solution

1. Step 1: Write the proportion equation
   49,385.54 : 74,080.70 = 16,105.56 : x
2. Step 2: Convert to fraction form
   49,385.54/74,080.70 = 16,105.56/x
3. Step 3: Cross multiply
   49,385.54x = 74,080.70 × 16,105.56
4. Step 4: Simplify right side
   49,385.54x = 1,193,111,158.69
5. Step 5: Solve for x
   x = 1,193,111,158.69/49,385.54
6. Step 6: Final answer
   x = 24,159.12