Finding the Fourth Proportional to 78,673.52, 108,570.70 and 42,863.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,673.52 : 108,570.70 = 42,863.52 : x
2. Step 2: Convert to fraction form
   78,673.52/108,570.70 = 42,863.52/x
3. Step 3: Cross multiply
   78,673.52x = 108,570.70 × 42,863.52
4. Step 4: Simplify right side
   78,673.52x = 4,653,722,478.02
5. Step 5: Solve for x
   x = 4,653,722,478.02/78,673.52
6. Step 6: Final answer
   x = 59,152.34