Finding the Fourth Proportional to 78,484.97, 108,308.70 and 42,675.01

Step by Step Solution

1. Step 1: Write the proportion equation
   78,484.97 : 108,308.70 = 42,675.01 : x
2. Step 2: Convert to fraction form
   78,484.97/108,308.70 = 42,675.01/x
3. Step 3: Cross multiply
   78,484.97x = 108,308.70 × 42,675.01
4. Step 4: Simplify right side
   78,484.97x = 4,622,074,584.82
5. Step 5: Solve for x
   x = 4,622,074,584.82/78,484.97
6. Step 6: Final answer
   x = 58,891.20