Finding the Fourth Proportional to 78,167.96, 107,871.88 and 42,357.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,167.96 : 107,871.88 = 42,357.96 : x
2. Step 2: Convert to fraction form
   78,167.96/107,871.88 = 42,357.96/x
3. Step 3: Cross multiply
   78,167.96x = 107,871.88 × 42,357.96
4. Step 4: Simplify right side
   78,167.96x = 4,569,232,778.16
5. Step 5: Solve for x
   x = 4,569,232,778.16/78,167.96
6. Step 6: Final answer
   x = 58,454.04