Finding the Fourth Proportional to 807,061.32, 1,113,794.96 and 444,485.07

Step by Step Solution

1. Step 1: Write the proportion equation
   807,061.32 : 1,113,794.96 = 444,485.07 : x
2. Step 2: Convert to fraction form
   807,061.32/1,113,794.96 = 444,485.07/x
3. Step 3: Cross multiply
   807,061.32x = 1,113,794.96 × 444,485.07
4. Step 4: Simplify right side
   807,061.32x = 495,065,228,538.82
5. Step 5: Solve for x
   x = 495,065,228,538.82/807,061.32
6. Step 6: Final answer
   x = 613,417.12