Finding the Fourth Proportional to 1,510.02, 2,084.13 and 986.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.02 : 2,084.13 = 986.22 : x
2. Step 2: Convert to fraction form
   1,510.02/2,084.13 = 986.22/x
3. Step 3: Cross multiply
   1,510.02x = 2,084.13 × 986.22
4. Step 4: Simplify right side
   1,510.02x = 2,055,410.69
5. Step 5: Solve for x
   x = 2,055,410.69/1,510.02
6. Step 6: Final answer
   x = 1,361.18