Finding the Fourth Proportional to 168,216.72, 251,963.25 and 79,337.04

Step by Step Solution

1. Step 1: Write the proportion equation
   168,216.72 : 251,963.25 = 79,337.04 : x
2. Step 2: Convert to fraction form
   168,216.72/251,963.25 = 79,337.04/x
3. Step 3: Cross multiply
   168,216.72x = 251,963.25 × 79,337.04
4. Step 4: Simplify right side
   168,216.72x = 19,990,018,443.78
5. Step 5: Solve for x
   x = 19,990,018,443.78/168,216.72
6. Step 6: Final answer
   x = 118,834.91