Finding the Fourth Proportional to 81,538.10, 112,523.72 and 49,268.24

Step by Step Solution

1. Step 1: Write the proportion equation
   81,538.10 : 112,523.72 = 49,268.24 : x
2. Step 2: Convert to fraction form
   81,538.10/112,523.72 = 49,268.24/x
3. Step 3: Cross multiply
   81,538.10x = 112,523.72 × 49,268.24
4. Step 4: Simplify right side
   81,538.10x = 5,543,844,833.69
5. Step 5: Solve for x
   x = 5,543,844,833.69/81,538.10
6. Step 6: Final answer
   x = 67,990.86