Finding the Fourth Proportional to 528,510.56, 792,468.72 and 173,494.88

Step by Step Solution

1. Step 1: Write the proportion equation
   528,510.56 : 792,468.72 = 173,494.88 : x
2. Step 2: Convert to fraction form
   528,510.56/792,468.72 = 173,494.88/x
3. Step 3: Cross multiply
   528,510.56x = 792,468.72 × 173,494.88
4. Step 4: Simplify right side
   528,510.56x = 137,489,265,480.15
5. Step 5: Solve for x
   x = 137,489,265,480.15/528,510.56
6. Step 6: Final answer
   x = 260,144.78