Finding the Fourth Proportional to 78,151.27, 107,848.60 and 42,342.25

Step by Step Solution

1. Step 1: Write the proportion equation
   78,151.27 : 107,848.60 = 42,342.25 : x
2. Step 2: Convert to fraction form
   78,151.27/107,848.60 = 42,342.25/x
3. Step 3: Cross multiply
   78,151.27x = 107,848.60 × 42,342.25
4. Step 4: Simplify right side
   78,151.27x = 4,566,552,383.35
5. Step 5: Solve for x
   x = 4,566,552,383.35/78,151.27
6. Step 6: Final answer
   x = 58,432.22