Finding the Fourth Proportional to 2,266.84, 3,128.16 and 1,384.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,266.84 : 3,128.16 = 1,384.12 : x
2. Step 2: Convert to fraction form
   2,266.84/3,128.16 = 1,384.12/x
3. Step 3: Cross multiply
   2,266.84x = 3,128.16 × 1,384.12
4. Step 4: Simplify right side
   2,266.84x = 4,329,748.82
5. Step 5: Solve for x
   x = 4,329,748.82/2,266.84
6. Step 6: Final answer
   x = 1,910.04