Finding the Fourth Proportional to 284,061.22, 392,003.67 and 156,735.70

Step by Step Solution

1. Step 1: Write the proportion equation
   284,061.22 : 392,003.67 = 156,735.70 : x
2. Step 2: Convert to fraction form
   284,061.22/392,003.67 = 156,735.70/x
3. Step 3: Cross multiply
   284,061.22x = 392,003.67 × 156,735.70
4. Step 4: Simplify right side
   284,061.22x = 61,440,969,620.02
5. Step 5: Solve for x
   x = 61,440,969,620.02/284,061.22
6. Step 6: Final answer
   x = 216,294.82