Finding the Fourth Proportional to 598,559.42, 897,854.63 and 172,078.02

Step by Step Solution

1. Step 1: Write the proportion equation
   598,559.42 : 897,854.63 = 172,078.02 : x
2. Step 2: Convert to fraction form
   598,559.42/897,854.63 = 172,078.02/x
3. Step 3: Cross multiply
   598,559.42x = 897,854.63 × 172,078.02
4. Step 4: Simplify right side
   598,559.42x = 154,501,046,978.23
5. Step 5: Solve for x
   x = 154,501,046,978.23/598,559.42
6. Step 6: Final answer
   x = 258,121.49