Finding the Fourth Proportional to 785,667.06, 1,084,139.64 and 441,448.25

Step by Step Solution

1. Step 1: Write the proportion equation
   785,667.06 : 1,084,139.64 = 441,448.25 : x
2. Step 2: Convert to fraction form
   785,667.06/1,084,139.64 = 441,448.25/x
3. Step 3: Cross multiply
   785,667.06x = 1,084,139.64 × 441,448.25
4. Step 4: Simplify right side
   785,667.06x = 478,591,541,412.93
5. Step 5: Solve for x
   x = 478,591,541,412.93/785,667.06
6. Step 6: Final answer
   x = 609,153.12