Finding the Fourth Proportional to 78,958.63, 108,964.34 and 43,150.15

Step by Step Solution

1. Step 1: Write the proportion equation
   78,958.63 : 108,964.34 = 43,150.15 : x
2. Step 2: Convert to fraction form
   78,958.63/108,964.34 = 43,150.15/x
3. Step 3: Cross multiply
   78,958.63x = 108,964.34 × 43,150.15
4. Step 4: Simplify right side
   78,958.63x = 4,701,827,615.65
5. Step 5: Solve for x
   x = 4,701,827,615.65/78,958.63
6. Step 6: Final answer
   x = 59,547.99