Finding the Fourth Proportional to 81,826.32, 112,931.04 and 60,665.84

Step by Step Solution

1. Step 1: Write the proportion equation
   81,826.32 : 112,931.04 = 60,665.84 : x
2. Step 2: Convert to fraction form
   81,826.32/112,931.04 = 60,665.84/x
3. Step 3: Cross multiply
   81,826.32x = 112,931.04 × 60,665.84
4. Step 4: Simplify right side
   81,826.32x = 6,851,056,403.67
5. Step 5: Solve for x
   x = 6,851,056,403.67/81,826.32
6. Step 6: Final answer
   x = 83,726.81