Finding the Fourth Proportional to 81,831.04, 122,482.56 and 42,333.76

Step by Step Solution

1. Step 1: Write the proportion equation
   81,831.04 : 122,482.56 = 42,333.76 : x
2. Step 2: Convert to fraction form
   81,831.04/122,482.56 = 42,333.76/x
3. Step 3: Cross multiply
   81,831.04x = 122,482.56 × 42,333.76
4. Step 4: Simplify right side
   81,831.04x = 5,185,147,299.23
5. Step 5: Solve for x
   x = 5,185,147,299.23/81,831.04
6. Step 6: Final answer
   x = 63,364.06