Finding the Fourth Proportional to 1,647.87, 2,274.04 and 901.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647.87 : 2,274.04 = 901.82 : x
2. Step 2: Convert to fraction form
   1,647.87/2,274.04 = 901.82/x
3. Step 3: Cross multiply
   1,647.87x = 2,274.04 × 901.82
4. Step 4: Simplify right side
   1,647.87x = 2,050,767.00
5. Step 5: Solve for x
   x = 2,050,767.00/1,647.87
6. Step 6: Final answer
   x = 1,244.50