Finding the Fourth Proportional to 173,865.10, 260,469.60 and 162,055.30

Step by Step Solution

1. Step 1: Write the proportion equation
   173,865.10 : 260,469.60 = 162,055.30 : x
2. Step 2: Convert to fraction form
   173,865.10/260,469.60 = 162,055.30/x
3. Step 3: Cross multiply
   173,865.10x = 260,469.60 × 162,055.30
4. Step 4: Simplify right side
   173,865.10x = 42,210,479,168.88
5. Step 5: Solve for x
   x = 42,210,479,168.88/173,865.10
6. Step 6: Final answer
   x = 242,777.18