Finding the Fourth Proportional to 1,471.77, 2,211.71 and 1,417.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.77 : 2,211.71 = 1,417.10 : x
2. Step 2: Convert to fraction form
   1,471.77/2,211.71 = 1,417.10/x
3. Step 3: Cross multiply
   1,471.77x = 2,211.71 × 1,417.10
4. Step 4: Simplify right side
   1,471.77x = 3,134,196.10
5. Step 5: Solve for x
   x = 3,134,196.10/1,471.77
6. Step 6: Final answer
   x = 2,129.54