Finding the Fourth Proportional to 78,979.34, 108,988.52 and 43,169.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,979.34 : 108,988.52 = 43,169.06 : x
2. Step 2: Convert to fraction form
   78,979.34/108,988.52 = 43,169.06/x
3. Step 3: Cross multiply
   78,979.34x = 108,988.52 × 43,169.06
4. Step 4: Simplify right side
   78,979.34x = 4,704,931,959.19
5. Step 5: Solve for x
   x = 4,704,931,959.19/78,979.34
6. Step 6: Final answer
   x = 59,571.68