Finding the Fourth Proportional to 81,833.04, 122,485.56 and 42,335.76

Step by Step Solution

1. Step 1: Write the proportion equation
   81,833.04 : 122,485.56 = 42,335.76 : x
2. Step 2: Convert to fraction form
   81,833.04/122,485.56 = 42,335.76/x
3. Step 3: Cross multiply
   81,833.04x = 122,485.56 × 42,335.76
4. Step 4: Simplify right side
   81,833.04x = 5,185,519,271.63
5. Step 5: Solve for x
   x = 5,185,519,271.63/81,833.04
6. Step 6: Final answer
   x = 63,367.06