Finding the Fourth Proportional to 260,964.52, 359,931.54 and 224,728.72

Step by Step Solution

1. Step 1: Write the proportion equation
   260,964.52 : 359,931.54 = 224,728.72 : x
2. Step 2: Convert to fraction form
   260,964.52/359,931.54 = 224,728.72/x
3. Step 3: Cross multiply
   260,964.52x = 359,931.54 × 224,728.72
4. Step 4: Simplify right side
   260,964.52x = 80,886,954,271.83
5. Step 5: Solve for x
   x = 80,886,954,271.83/260,964.52
6. Step 6: Final answer
   x = 309,953.84