Finding the Fourth Proportional to 3,250.71, 4,875.56 and 910.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,250.71 : 4,875.56 = 910.47 : x
2. Step 2: Convert to fraction form
   3,250.71/4,875.56 = 910.47/x
3. Step 3: Cross multiply
   3,250.71x = 4,875.56 × 910.47
4. Step 4: Simplify right side
   3,250.71x = 4,439,046.56
5. Step 5: Solve for x
   x = 4,439,046.56/3,250.71
6. Step 6: Final answer
   x = 1,365.56