Finding the Fourth Proportional to 873,667.24, 1,310,499.30 and 274,680.64

Step by Step Solution

1. Step 1: Write the proportion equation
   873,667.24 : 1,310,499.30 = 274,680.64 : x
2. Step 2: Convert to fraction form
   873,667.24/1,310,499.30 = 274,680.64/x
3. Step 3: Cross multiply
   873,667.24x = 1,310,499.30 × 274,680.64
4. Step 4: Simplify right side
   873,667.24x = 359,968,786,443.55
5. Step 5: Solve for x
   x = 359,968,786,443.55/873,667.24
6. Step 6: Final answer
   x = 412,020.47