Finding the Fourth Proportional to 224,081.50, 309,238.95 and 123,485.98

Step by Step Solution

1. Step 1: Write the proportion equation
   224,081.50 : 309,238.95 = 123,485.98 : x
2. Step 2: Convert to fraction form
   224,081.50/309,238.95 = 123,485.98/x
3. Step 3: Cross multiply
   224,081.50x = 309,238.95 × 123,485.98
4. Step 4: Simplify right side
   224,081.50x = 38,186,674,794.92
5. Step 5: Solve for x
   x = 38,186,674,794.92/224,081.50
6. Step 6: Final answer
   x = 170,414.22