Finding the Fourth Proportional to 81,541.89, 112,528.89 and 49,272.03

Step by Step Solution

1. Step 1: Write the proportion equation
   81,541.89 : 112,528.89 = 49,272.03 : x
2. Step 2: Convert to fraction form
   81,541.89/112,528.89 = 49,272.03/x
3. Step 3: Cross multiply
   81,541.89x = 112,528.89 × 49,272.03
4. Step 4: Simplify right side
   81,541.89x = 5,544,526,843.95
5. Step 5: Solve for x
   x = 5,544,526,843.95/81,541.89
6. Step 6: Final answer
   x = 67,996.06