Finding the Fourth Proportional to 1,510.32, 2,082.30 and 1,012.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.32 : 2,082.30 = 1,012.16 : x
2. Step 2: Convert to fraction form
   1,510.32/2,082.30 = 1,012.16/x
3. Step 3: Cross multiply
   1,510.32x = 2,082.30 × 1,012.16
4. Step 4: Simplify right side
   1,510.32x = 2,107,620.77
5. Step 5: Solve for x
   x = 2,107,620.77/1,510.32
6. Step 6: Final answer
   x = 1,395.48