Finding the Fourth Proportional to 1,476.48, 2,037.27 and 917.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,476.48 : 2,037.27 = 917.10 : x
2. Step 2: Convert to fraction form
   1,476.48/2,037.27 = 917.10/x
3. Step 3: Cross multiply
   1,476.48x = 2,037.27 × 917.10
4. Step 4: Simplify right side
   1,476.48x = 1,868,380.32
5. Step 5: Solve for x
   x = 1,868,380.32/1,476.48
6. Step 6: Final answer
   x = 1,265.43