Finding the Fourth Proportional to 78,764.52, 108,694.56 and 42,954.36

Step by Step Solution

1. Step 1: Write the proportion equation
   78,764.52 : 108,694.56 = 42,954.36 : x
2. Step 2: Convert to fraction form
   78,764.52/108,694.56 = 42,954.36/x
3. Step 3: Cross multiply
   78,764.52x = 108,694.56 × 42,954.36
4. Step 4: Simplify right side
   78,764.52x = 4,668,905,260.28
5. Step 5: Solve for x
   x = 4,668,905,260.28/78,764.52
6. Step 6: Final answer
   x = 59,276.76