Finding the Fourth Proportional to 78,158.49, 107,858.68 and 42,348.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,158.49 : 107,858.68 = 42,348.52 : x
2. Step 2: Convert to fraction form
   78,158.49/107,858.68 = 42,348.52/x
3. Step 3: Cross multiply
   78,158.49x = 107,858.68 × 42,348.52
4. Step 4: Simplify right side
   78,158.49x = 4,567,655,467.15
5. Step 5: Solve for x
   x = 4,567,655,467.15/78,158.49
6. Step 6: Final answer
   x = 58,440.94