Finding the Fourth Proportional to 2,124.94, 3,186.37 and 1,259.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.94 : 3,186.37 = 1,259.02 : x
2. Step 2: Convert to fraction form
   2,124.94/3,186.37 = 1,259.02/x
3. Step 3: Cross multiply
   2,124.94x = 3,186.37 × 1,259.02
4. Step 4: Simplify right side
   2,124.94x = 4,011,703.56
5. Step 5: Solve for x
   x = 4,011,703.56/2,124.94
6. Step 6: Final answer
   x = 1,887.91