Finding the Fourth Proportional to 740,919.96, 1,111,250.69 and 208,314.38

Step by Step Solution

1. Step 1: Write the proportion equation
   740,919.96 : 1,111,250.69 = 208,314.38 : x
2. Step 2: Convert to fraction form
   740,919.96/1,111,250.69 = 208,314.38/x
3. Step 3: Cross multiply
   740,919.96x = 1,111,250.69 × 208,314.38
4. Step 4: Simplify right side
   740,919.96x = 231,489,491,914.10
5. Step 5: Solve for x
   x = 231,489,491,914.10/740,919.96
6. Step 6: Final answer
   x = 312,435.22