Finding the Fourth Proportional to 173,431.34, 260,171.81 and 53,498.42

Step by Step Solution

1. Step 1: Write the proportion equation
   173,431.34 : 260,171.81 = 53,498.42 : x
2. Step 2: Convert to fraction form
   173,431.34/260,171.81 = 53,498.42/x
3. Step 3: Cross multiply
   173,431.34x = 260,171.81 × 53,498.42
4. Step 4: Simplify right side
   173,431.34x = 13,918,780,763.54
5. Step 5: Solve for x
   x = 13,918,780,763.54/173,431.34
6. Step 6: Final answer
   x = 80,255.28