Finding the Fourth Proportional to 78,594.54, 108,462.60 and 42,786.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,594.54 : 108,462.60 = 42,786.96 : x
2. Step 2: Convert to fraction form
   78,594.54/108,462.60 = 42,786.96/x
3. Step 3: Cross multiply
   78,594.54x = 108,462.60 × 42,786.96
4. Step 4: Simplify right side
   78,594.54x = 4,640,784,927.70
5. Step 5: Solve for x
   x = 4,640,784,927.70/78,594.54
6. Step 6: Final answer
   x = 59,047.17