Finding the Fourth Proportional to 2,184.71, 3,014.37 and 1,288.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,184.71 : 3,014.37 = 1,288.52 : x
2. Step 2: Convert to fraction form
   2,184.71/3,014.37 = 1,288.52/x
3. Step 3: Cross multiply
   2,184.71x = 3,014.37 × 1,288.52
4. Step 4: Simplify right side
   2,184.71x = 3,884,060.96
5. Step 5: Solve for x
   x = 3,884,060.96/2,184.71
6. Step 6: Final answer
   x = 1,777.84