Finding the Fourth Proportional to 78,442.67, 108,251.58 and 42,632.76

Step by Step Solution

1. Step 1: Write the proportion equation
   78,442.67 : 108,251.58 = 42,632.76 : x
2. Step 2: Convert to fraction form
   78,442.67/108,251.58 = 42,632.76/x
3. Step 3: Cross multiply
   78,442.67x = 108,251.58 × 42,632.76
4. Step 4: Simplify right side
   78,442.67x = 4,615,063,629.76
5. Step 5: Solve for x
   x = 4,615,063,629.76/78,442.67
6. Step 6: Final answer
   x = 58,833.59