Finding the Fourth Proportional to 81,796.62, 112,899.35 and 49,992.17

Step by Step Solution

1. Step 1: Write the proportion equation
   81,796.62 : 112,899.35 = 49,992.17 : x
2. Step 2: Convert to fraction form
   81,796.62/112,899.35 = 49,992.17/x
3. Step 3: Cross multiply
   81,796.62x = 112,899.35 × 49,992.17
4. Step 4: Simplify right side
   81,796.62x = 5,644,083,693.63
5. Step 5: Solve for x
   x = 5,644,083,693.63/81,796.62
6. Step 6: Final answer
   x = 69,001.43