Finding the Fourth Proportional to 78,606.92, 108,473.97 and 42,796.86

Step by Step Solution

1. Step 1: Write the proportion equation
   78,606.92 : 108,473.97 = 42,796.86 : x
2. Step 2: Convert to fraction form
   78,606.92/108,473.97 = 42,796.86/x
3. Step 3: Cross multiply
   78,606.92x = 108,473.97 × 42,796.86
4. Step 4: Simplify right side
   78,606.92x = 4,642,345,307.73
5. Step 5: Solve for x
   x = 4,642,345,307.73/78,606.92
6. Step 6: Final answer
   x = 59,057.72