Finding the Fourth Proportional to 78,078.06, 107,746.82 and 42,267.29

Step by Step Solution

1. Step 1: Write the proportion equation
   78,078.06 : 107,746.82 = 42,267.29 : x
2. Step 2: Convert to fraction form
   78,078.06/107,746.82 = 42,267.29/x
3. Step 3: Cross multiply
   78,078.06x = 107,746.82 × 42,267.29
4. Step 4: Simplify right side
   78,078.06x = 4,554,165,337.45
5. Step 5: Solve for x
   x = 4,554,165,337.45/78,078.06
6. Step 6: Final answer
   x = 58,328.36