Finding the Fourth Proportional to 78,608.13, 108,475.81 and 42,798.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,608.13 : 108,475.81 = 42,798.27 : x
2. Step 2: Convert to fraction form
   78,608.13/108,475.81 = 42,798.27/x
3. Step 3: Cross multiply
   78,608.13x = 108,475.81 × 42,798.27
4. Step 4: Simplify right side
   78,608.13x = 4,642,577,004.85
5. Step 5: Solve for x
   x = 4,642,577,004.85/78,608.13
6. Step 6: Final answer
   x = 59,059.76