Finding the Fourth Proportional to 2,227.17, 3,071.48 and 1,429.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.17 : 3,071.48 = 1,429.58 : x
2. Step 2: Convert to fraction form
   2,227.17/3,071.48 = 1,429.58/x
3. Step 3: Cross multiply
   2,227.17x = 3,071.48 × 1,429.58
4. Step 4: Simplify right side
   2,227.17x = 4,390,903.87
5. Step 5: Solve for x
   x = 4,390,903.87/2,227.17
6. Step 6: Final answer
   x = 1,971.52