Finding the Fourth Proportional to 2,061.17, 2,844.40 and 1,129.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.17 : 2,844.40 = 1,129.67 : x
2. Step 2: Convert to fraction form
   2,061.17/2,844.40 = 1,129.67/x
3. Step 3: Cross multiply
   2,061.17x = 2,844.40 × 1,129.67
4. Step 4: Simplify right side
   2,061.17x = 3,213,233.35
5. Step 5: Solve for x
   x = 3,213,233.35/2,061.17
6. Step 6: Final answer
   x = 1,558.94