Finding the Fourth Proportional to 78,960.51, 108,965.25 and 43,150.74

Step by Step Solution

1. Step 1: Write the proportion equation
   78,960.51 : 108,965.25 = 43,150.74 : x
2. Step 2: Convert to fraction form
   78,960.51/108,965.25 = 43,150.74/x
3. Step 3: Cross multiply
   78,960.51x = 108,965.25 × 43,150.74
4. Step 4: Simplify right side
   78,960.51x = 4,701,931,171.79
5. Step 5: Solve for x
   x = 4,701,931,171.79/78,960.51
6. Step 6: Final answer
   x = 59,547.88