Finding the Fourth Proportional to 284,156.78, 392,134.41 and 156,832.37

Step by Step Solution

1. Step 1: Write the proportion equation
   284,156.78 : 392,134.41 = 156,832.37 : x
2. Step 2: Convert to fraction form
   284,156.78/392,134.41 = 156,832.37/x
3. Step 3: Cross multiply
   284,156.78x = 392,134.41 × 156,832.37
4. Step 4: Simplify right side
   284,156.78x = 61,499,366,918.18
5. Step 5: Solve for x
   x = 61,499,366,918.18/284,156.78
6. Step 6: Final answer
   x = 216,427.59