Finding the Fourth Proportional to 2,150.04, 3,225.20 and 917.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.04 : 3,225.20 = 917.30 : x
2. Step 2: Convert to fraction form
   2,150.04/3,225.20 = 917.30/x
3. Step 3: Cross multiply
   2,150.04x = 3,225.20 × 917.30
4. Step 4: Simplify right side
   2,150.04x = 2,958,475.96
5. Step 5: Solve for x
   x = 2,958,475.96/2,150.04
6. Step 6: Final answer
   x = 1,376.01