Finding the Fourth Proportional to 2,061.40, 2,845.36 and 1,538.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.40 : 2,845.36 = 1,538.14 : x
2. Step 2: Convert to fraction form
   2,061.40/2,845.36 = 1,538.14/x
3. Step 3: Cross multiply
   2,061.40x = 2,845.36 × 1,538.14
4. Step 4: Simplify right side
   2,061.40x = 4,376,562.03
5. Step 5: Solve for x
   x = 4,376,562.03/2,061.40
6. Step 6: Final answer
   x = 2,123.10