Finding the Fourth Proportional to 162,082.68, 243,196.74 and 102,902.52

Step by Step Solution

1. Step 1: Write the proportion equation
   162,082.68 : 243,196.74 = 102,902.52 : x
2. Step 2: Convert to fraction form
   162,082.68/243,196.74 = 102,902.52/x
3. Step 3: Cross multiply
   162,082.68x = 243,196.74 × 102,902.52
4. Step 4: Simplify right side
   162,082.68x = 25,025,557,401.78
5. Step 5: Solve for x
   x = 25,025,557,401.78/162,082.68
6. Step 6: Final answer
   x = 154,399.95