Finding the Fourth Proportional to 1,969.51, 2,718.06 and 1,130.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969.51 : 2,718.06 = 1,130.21 : x
2. Step 2: Convert to fraction form
   1,969.51/2,718.06 = 1,130.21/x
3. Step 3: Cross multiply
   1,969.51x = 2,718.06 × 1,130.21
4. Step 4: Simplify right side
   1,969.51x = 3,071,978.59
5. Step 5: Solve for x
   x = 3,071,978.59/1,969.51
6. Step 6: Final answer
   x = 1,559.77