Finding the Fourth Proportional to 78,828.18, 108,782.30 and 43,017.41

Step by Step Solution

1. Step 1: Write the proportion equation
   78,828.18 : 108,782.30 = 43,017.41 : x
2. Step 2: Convert to fraction form
   78,828.18/108,782.30 = 43,017.41/x
3. Step 3: Cross multiply
   78,828.18x = 108,782.30 × 43,017.41
4. Step 4: Simplify right side
   78,828.18x = 4,679,532,040.84
5. Step 5: Solve for x
   x = 4,679,532,040.84/78,828.18
6. Step 6: Final answer
   x = 59,363.70