Finding the Fourth Proportional to 804,361.59, 1,109,608.39 and 513,667.60

Step by Step Solution

1. Step 1: Write the proportion equation
   804,361.59 : 1,109,608.39 = 513,667.60 : x
2. Step 2: Convert to fraction form
   804,361.59/1,109,608.39 = 513,667.60/x
3. Step 3: Cross multiply
   804,361.59x = 1,109,608.39 × 513,667.60
4. Step 4: Simplify right side
   804,361.59x = 569,969,881,064.69
5. Step 5: Solve for x
   x = 569,969,881,064.69/804,361.59
6. Step 6: Final answer
   x = 708,599.08