Finding the Fourth Proportional to 1,970.01, 2,718.72 and 1,130.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970.01 : 2,718.72 = 1,130.71 : x
2. Step 2: Convert to fraction form
   1,970.01/2,718.72 = 1,130.71/x
3. Step 3: Cross multiply
   1,970.01x = 2,718.72 × 1,130.71
4. Step 4: Simplify right side
   1,970.01x = 3,074,083.89
5. Step 5: Solve for x
   x = 3,074,083.89/1,970.01
6. Step 6: Final answer
   x = 1,560.44