Finding the Fourth Proportional to 173,823.10, 260,929.05 and 162,402.10

Step by Step Solution

1. Step 1: Write the proportion equation
   173,823.10 : 260,929.05 = 162,402.10 : x
2. Step 2: Convert to fraction form
   173,823.10/260,929.05 = 162,402.10/x
3. Step 3: Cross multiply
   173,823.10x = 260,929.05 × 162,402.10
4. Step 4: Simplify right side
   173,823.10x = 42,375,425,671.01
5. Step 5: Solve for x
   x = 42,375,425,671.01/173,823.10
6. Step 6: Final answer
   x = 243,784.78