Finding the Fourth Proportional to 78,976.62, 108,987.93 and 43,167.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,976.62 : 108,987.93 = 43,167.06 : x
2. Step 2: Convert to fraction form
   78,976.62/108,987.93 = 43,167.06/x
3. Step 3: Cross multiply
   78,976.62x = 108,987.93 × 43,167.06
4. Step 4: Simplify right side
   78,976.62x = 4,704,688,513.59
5. Step 5: Solve for x
   x = 4,704,688,513.59/78,976.62
6. Step 6: Final answer
   x = 59,570.65