Finding the Fourth Proportional to 2,156.76, 3,232.71 and 1,061.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.76 : 3,232.71 = 1,061.89 : x
2. Step 2: Convert to fraction form
   2,156.76/3,232.71 = 1,061.89/x
3. Step 3: Cross multiply
   2,156.76x = 3,232.71 × 1,061.89
4. Step 4: Simplify right side
   2,156.76x = 3,432,792.52
5. Step 5: Solve for x
   x = 3,432,792.52/2,156.76
6. Step 6: Final answer
   x = 1,591.64