Finding the Fourth Proportional to 2,187.52, 3,019.79 and 1,402.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187.52 : 3,019.79 = 1,402.01 : x
2. Step 2: Convert to fraction form
   2,187.52/3,019.79 = 1,402.01/x
3. Step 3: Cross multiply
   2,187.52x = 3,019.79 × 1,402.01
4. Step 4: Simplify right side
   2,187.52x = 4,233,775.78
5. Step 5: Solve for x
   x = 4,233,775.78/2,187.52
6. Step 6: Final answer
   x = 1,935.42