Finding the Fourth Proportional to 740,443.59, 1,110,706.92 and 207,923.09

Step by Step Solution

1. Step 1: Write the proportion equation
   740,443.59 : 1,110,706.92 = 207,923.09 : x
2. Step 2: Convert to fraction form
   740,443.59/1,110,706.92 = 207,923.09/x
3. Step 3: Cross multiply
   740,443.59x = 1,110,706.92 × 207,923.09
4. Step 4: Simplify right side
   740,443.59x = 230,941,617,667.55
5. Step 5: Solve for x
   x = 230,941,617,667.55/740,443.59
6. Step 6: Final answer
   x = 311,896.30