Finding the Fourth Proportional to 2,158.76, 3,237.45 and 1,432.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158.76 : 3,237.45 = 1,432.19 : x
2. Step 2: Convert to fraction form
   2,158.76/3,237.45 = 1,432.19/x
3. Step 3: Cross multiply
   2,158.76x = 3,237.45 × 1,432.19
4. Step 4: Simplify right side
   2,158.76x = 4,636,627.33
5. Step 5: Solve for x
   x = 4,636,627.33/2,158.76
6. Step 6: Final answer
   x = 2,147.82