Finding the Fourth Proportional to 293,100.16, 404,659.65 and 224,986.72

Step by Step Solution

1. Step 1: Write the proportion equation
   293,100.16 : 404,659.65 = 224,986.72 : x
2. Step 2: Convert to fraction form
   293,100.16/404,659.65 = 224,986.72/x
3. Step 3: Cross multiply
   293,100.16x = 404,659.65 × 224,986.72
4. Step 4: Simplify right side
   293,100.16x = 91,043,047,369.85
5. Step 5: Solve for x
   x = 91,043,047,369.85/293,100.16
6. Step 6: Final answer
   x = 310,620.94