Finding the Fourth Proportional to 1,501.94, 2,253.18 and 1,287.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.94 : 2,253.18 = 1,287.02 : x
2. Step 2: Convert to fraction form
   1,501.94/2,253.18 = 1,287.02/x
3. Step 3: Cross multiply
   1,501.94x = 2,253.18 × 1,287.02
4. Step 4: Simplify right side
   1,501.94x = 2,899,887.72
5. Step 5: Solve for x
   x = 2,899,887.72/1,501.94
6. Step 6: Final answer
   x = 1,930.76