Finding the Fourth Proportional to 78,949.62, 108,958.10 and 43,145.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,949.62 : 108,958.10 = 43,145.06 : x
2. Step 2: Convert to fraction form
   78,949.62/108,958.10 = 43,145.06/x
3. Step 3: Cross multiply
   78,949.62x = 108,958.10 × 43,145.06
4. Step 4: Simplify right side
   78,949.62x = 4,701,003,001.47
5. Step 5: Solve for x
   x = 4,701,003,001.47/78,949.62
6. Step 6: Final answer
   x = 59,544.34