Finding the Fourth Proportional to 81,677.04, 112,726.52 and 49,864.42

Step by Step Solution

1. Step 1: Write the proportion equation
   81,677.04 : 112,726.52 = 49,864.42 : x
2. Step 2: Convert to fraction form
   81,677.04/112,726.52 = 49,864.42/x
3. Step 3: Cross multiply
   81,677.04x = 112,726.52 × 49,864.42
4. Step 4: Simplify right side
   81,677.04x = 5,621,042,538.42
5. Step 5: Solve for x
   x = 5,621,042,538.42/81,677.04
6. Step 6: Final answer
   x = 68,820.35