Finding the Fourth Proportional to 162,255.54, 243,383.49 and 42,312.38

Step by Step Solution

1. Step 1: Write the proportion equation
   162,255.54 : 243,383.49 = 42,312.38 : x
2. Step 2: Convert to fraction form
   162,255.54/243,383.49 = 42,312.38/x
3. Step 3: Cross multiply
   162,255.54x = 243,383.49 × 42,312.38
4. Step 4: Simplify right side
   162,255.54x = 10,298,134,714.61
5. Step 5: Solve for x
   x = 10,298,134,714.61/162,255.54
6. Step 6: Final answer
   x = 63,468.62