Finding the Fourth Proportional to 78,504.12, 108,335.16 and 42,694.04

Step by Step Solution

1. Step 1: Write the proportion equation
   78,504.12 : 108,335.16 = 42,694.04 : x
2. Step 2: Convert to fraction form
   78,504.12/108,335.16 = 42,694.04/x
3. Step 3: Cross multiply
   78,504.12x = 108,335.16 × 42,694.04
4. Step 4: Simplify right side
   78,504.12x = 4,625,265,654.45
5. Step 5: Solve for x
   x = 4,625,265,654.45/78,504.12
6. Step 6: Final answer
   x = 58,917.49