Finding the Fourth Proportional to 656,648.72, 906,189.12 and 370,168.84

Step by Step Solution

1. Step 1: Write the proportion equation
   656,648.72 : 906,189.12 = 370,168.84 : x
2. Step 2: Convert to fraction form
   656,648.72/906,189.12 = 370,168.84/x
3. Step 3: Cross multiply
   656,648.72x = 906,189.12 × 370,168.84
4. Step 4: Simplify right side
   656,648.72x = 335,442,975,371.02
5. Step 5: Solve for x
   x = 335,442,975,371.02/656,648.72
6. Step 6: Final answer
   x = 510,840.83