Finding the Fourth Proportional to 1,373.94, 2,061.33 and 436.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.94 : 2,061.33 = 436.83 : x
2. Step 2: Convert to fraction form
   1,373.94/2,061.33 = 436.83/x
3. Step 3: Cross multiply
   1,373.94x = 2,061.33 × 436.83
4. Step 4: Simplify right side
   1,373.94x = 900,450.78
5. Step 5: Solve for x
   x = 900,450.78/1,373.94
6. Step 6: Final answer
   x = 655.38