Finding the Fourth Proportional to 284,156.72, 392,134.34 and 156,832.33

Step by Step Solution

1. Step 1: Write the proportion equation
   284,156.72 : 392,134.34 = 156,832.33 : x
2. Step 2: Convert to fraction form
   284,156.72/392,134.34 = 156,832.33/x
3. Step 3: Cross multiply
   284,156.72x = 392,134.34 × 156,832.33
4. Step 4: Simplify right side
   284,156.72x = 61,499,339,470.38
5. Step 5: Solve for x
   x = 61,499,339,470.38/284,156.72
6. Step 6: Final answer
   x = 216,427.54