Finding the Fourth Proportional to 78,604.38, 108,470.64 and 42,794.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,604.38 : 108,470.64 = 42,794.52 : x
2. Step 2: Convert to fraction form
   78,604.38/108,470.64 = 42,794.52/x
3. Step 3: Cross multiply
   78,604.38x = 108,470.64 × 42,794.52
4. Step 4: Simplify right side
   78,604.38x = 4,641,948,972.89
5. Step 5: Solve for x
   x = 4,641,948,972.89/78,604.38
6. Step 6: Final answer
   x = 59,054.58