Finding the Fourth Proportional to 78,314.92, 108,074.70 and 42,504.93

Step by Step Solution

1. Step 1: Write the proportion equation
   78,314.92 : 108,074.70 = 42,504.93 : x
2. Step 2: Convert to fraction form
   78,314.92/108,074.70 = 42,504.93/x
3. Step 3: Cross multiply
   78,314.92x = 108,074.70 × 42,504.93
4. Step 4: Simplify right side
   78,314.92x = 4,593,707,558.27
5. Step 5: Solve for x
   x = 4,593,707,558.27/78,314.92
6. Step 6: Final answer
   x = 58,656.86