Finding the Fourth Proportional to 224,086.50, 309,245.97 and 123,490.98

Step by Step Solution

1. Step 1: Write the proportion equation
   224,086.50 : 309,245.97 = 123,490.98 : x
2. Step 2: Convert to fraction form
   224,086.50/309,245.97 = 123,490.98/x
3. Step 3: Cross multiply
   224,086.50x = 309,245.97 × 123,490.98
4. Step 4: Simplify right side
   224,086.50x = 38,189,087,896.35
5. Step 5: Solve for x
   x = 38,189,087,896.35/224,086.50
6. Step 6: Final answer
   x = 170,421.19