Finding the Fourth Proportional to 807,147.15, 1,113,870.60 and 444,572.34

Step by Step Solution

1. Step 1: Write the proportion equation
   807,147.15 : 1,113,870.60 = 444,572.34 : x
2. Step 2: Convert to fraction form
   807,147.15/1,113,870.60 = 444,572.34/x
3. Step 3: Cross multiply
   807,147.15x = 1,113,870.60 × 444,572.34
4. Step 4: Simplify right side
   807,147.15x = 495,196,059,099.20
5. Step 5: Solve for x
   x = 495,196,059,099.20/807,147.15
6. Step 6: Final answer
   x = 613,513.98