Finding the Fourth Proportional to 78,868.38, 108,837.54 and 43,058.28

Step by Step Solution

1. Step 1: Write the proportion equation
   78,868.38 : 108,837.54 = 43,058.28 : x
2. Step 2: Convert to fraction form
   78,868.38/108,837.54 = 43,058.28/x
3. Step 3: Cross multiply
   78,868.38x = 108,837.54 × 43,058.28
4. Step 4: Simplify right side
   78,868.38x = 4,686,357,271.83
5. Step 5: Solve for x
   x = 4,686,357,271.83/78,868.38
6. Step 6: Final answer
   x = 59,419.98