Finding the Fourth Proportional to 2,210.77, 3,317.24 and 1,056.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.77 : 3,317.24 = 1,056.25 : x
2. Step 2: Convert to fraction form
   2,210.77/3,317.24 = 1,056.25/x
3. Step 3: Cross multiply
   2,210.77x = 3,317.24 × 1,056.25
4. Step 4: Simplify right side
   2,210.77x = 3,503,834.75
5. Step 5: Solve for x
   x = 3,503,834.75/2,210.77
6. Step 6: Final answer
   x = 1,584.89