Finding the Fourth Proportional to 10,782.72, 16,168.55 and 4,934.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,782.72 : 16,168.55 = 4,934.25 : x
2. Step 2: Convert to fraction form
   10,782.72/16,168.55 = 4,934.25/x
3. Step 3: Cross multiply
   10,782.72x = 16,168.55 × 4,934.25
4. Step 4: Simplify right side
   10,782.72x = 79,779,643.17
5. Step 5: Solve for x
   x = 79,779,643.17/10,782.72
6. Step 6: Final answer
   x = 7,398.84