Finding the Fourth Proportional to 284,196.82, 392,191.65 and 156,872.44

Step by Step Solution

1. Step 1: Write the proportion equation
   284,196.82 : 392,191.65 = 156,872.44 : x
2. Step 2: Convert to fraction form
   284,196.82/392,191.65 = 156,872.44/x
3. Step 3: Cross multiply
   284,196.82x = 392,191.65 × 156,872.44
4. Step 4: Simplify right side
   284,196.82x = 61,524,061,083.13
5. Step 5: Solve for x
   x = 61,524,061,083.13/284,196.82
6. Step 6: Final answer
   x = 216,483.99