Finding the Fourth Proportional to 78,442.75, 108,251.82 and 42,632.74

Step by Step Solution

1. Step 1: Write the proportion equation
   78,442.75 : 108,251.82 = 42,632.74 : x
2. Step 2: Convert to fraction form
   78,442.75/108,251.82 = 42,632.74/x
3. Step 3: Cross multiply
   78,442.75x = 108,251.82 × 42,632.74
4. Step 4: Simplify right side
   78,442.75x = 4,615,071,696.59
5. Step 5: Solve for x
   x = 4,615,071,696.59/78,442.75
6. Step 6: Final answer
   x = 58,833.63