Finding the Fourth Proportional to 2,017.31, 3,025.41 and 1,430.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.31 : 3,025.41 = 1,430.58 : x
2. Step 2: Convert to fraction form
   2,017.31/3,025.41 = 1,430.58/x
3. Step 3: Cross multiply
   2,017.31x = 3,025.41 × 1,430.58
4. Step 4: Simplify right side
   2,017.31x = 4,328,068.76
5. Step 5: Solve for x
   x = 4,328,068.76/2,017.31
6. Step 6: Final answer
   x = 2,145.47