Finding the Fourth Proportional to 78,568.22, 108,422.06 and 42,757.46

Step by Step Solution

1. Step 1: Write the proportion equation
   78,568.22 : 108,422.06 = 42,757.46 : x
2. Step 2: Convert to fraction form
   78,568.22/108,422.06 = 42,757.46/x
3. Step 3: Cross multiply
   78,568.22x = 108,422.06 × 42,757.46
4. Step 4: Simplify right side
   78,568.22x = 4,635,852,148.40
5. Step 5: Solve for x
   x = 4,635,852,148.40/78,568.22
6. Step 6: Final answer
   x = 59,004.17