Finding the Fourth Proportional to 2,250.90, 3,376.56 and 1,156.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.90 : 3,376.56 = 1,156.20 : x
2. Step 2: Convert to fraction form
   2,250.90/3,376.56 = 1,156.20/x
3. Step 3: Cross multiply
   2,250.90x = 3,376.56 × 1,156.20
4. Step 4: Simplify right side
   2,250.90x = 3,903,978.67
5. Step 5: Solve for x
   x = 3,903,978.67/2,250.90
6. Step 6: Final answer
   x = 1,734.41