Finding the Fourth Proportional to 1,510.09, 2,083.78 and 847.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.09 : 2,083.78 = 847.01 : x
2. Step 2: Convert to fraction form
   1,510.09/2,083.78 = 847.01/x
3. Step 3: Cross multiply
   1,510.09x = 2,083.78 × 847.01
4. Step 4: Simplify right side
   1,510.09x = 1,764,972.28
5. Step 5: Solve for x
   x = 1,764,972.28/1,510.09
6. Step 6: Final answer
   x = 1,168.78