Finding the Fourth Proportional to 78,604.71, 108,475.16 and 42,794.97

Step by Step Solution

1. Step 1: Write the proportion equation
   78,604.71 : 108,475.16 = 42,794.97 : x
2. Step 2: Convert to fraction form
   78,604.71/108,475.16 = 42,794.97/x
3. Step 3: Cross multiply
   78,604.71x = 108,475.16 × 42,794.97
4. Step 4: Simplify right side
   78,604.71x = 4,642,191,003.97
5. Step 5: Solve for x
   x = 4,642,191,003.97/78,604.71
6. Step 6: Final answer
   x = 59,057.42