Finding the Fourth Proportional to 81,597.24, 122,297.45 and 42,132.83

Step by Step Solution

1. Step 1: Write the proportion equation
   81,597.24 : 122,297.45 = 42,132.83 : x
2. Step 2: Convert to fraction form
   81,597.24/122,297.45 = 42,132.83/x
3. Step 3: Cross multiply
   81,597.24x = 122,297.45 × 42,132.83
4. Step 4: Simplify right side
   81,597.24x = 5,152,736,848.13
5. Step 5: Solve for x
   x = 5,152,736,848.13/81,597.24
6. Step 6: Final answer
   x = 63,148.42