Finding the Fourth Proportional to 78,949.90, 108,950.88 and 42,651.35

Step by Step Solution

1. Step 1: Write the proportion equation
   78,949.90 : 108,950.88 = 42,651.35 : x
2. Step 2: Convert to fraction form
   78,949.90/108,950.88 = 42,651.35/x
3. Step 3: Cross multiply
   78,949.90x = 108,950.88 × 42,651.35
4. Step 4: Simplify right side
   78,949.90x = 4,646,902,115.69
5. Step 5: Solve for x
   x = 4,646,902,115.69/78,949.90
6. Step 6: Final answer
   x = 58,858.87