Finding the Fourth Proportional to 224,123.20, 335,839.20 and 194,401.60

Step by Step Solution

1. Step 1: Write the proportion equation
   224,123.20 : 335,839.20 = 194,401.60 : x
2. Step 2: Convert to fraction form
   224,123.20/335,839.20 = 194,401.60/x
3. Step 3: Cross multiply
   224,123.20x = 335,839.20 × 194,401.60
4. Step 4: Simplify right side
   224,123.20x = 65,287,677,822.72
5. Step 5: Solve for x
   x = 65,287,677,822.72/224,123.20
6. Step 6: Final answer
   x = 291,302.63