Finding the Fourth Proportional to 797,238.72, 1,100,147.72 and 453,028.59

Step by Step Solution

1. Step 1: Write the proportion equation
   797,238.72 : 1,100,147.72 = 453,028.59 : x
2. Step 2: Convert to fraction form
   797,238.72/1,100,147.72 = 453,028.59/x
3. Step 3: Cross multiply
   797,238.72x = 1,100,147.72 × 453,028.59
4. Step 4: Simplify right side
   797,238.72x = 498,398,368,118.17
5. Step 5: Solve for x
   x = 498,398,368,118.17/797,238.72
6. Step 6: Final answer
   x = 625,155.75