Finding the Fourth Proportional to 81,538.47, 112,524.23 and 49,268.61

Step by Step Solution

1. Step 1: Write the proportion equation
   81,538.47 : 112,524.23 = 49,268.61 : x
2. Step 2: Convert to fraction form
   81,538.47/112,524.23 = 49,268.61/x
3. Step 3: Cross multiply
   81,538.47x = 112,524.23 × 49,268.61
4. Step 4: Simplify right side
   81,538.47x = 5,543,912,526.59
5. Step 5: Solve for x
   x = 5,543,912,526.59/81,538.47
6. Step 6: Final answer
   x = 67,991.37