Finding the Fourth Proportional to 2,127.16, 3,190.70 and 1,499.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.16 : 3,190.70 = 1,499.88 : x
2. Step 2: Convert to fraction form
   2,127.16/3,190.70 = 1,499.88/x
3. Step 3: Cross multiply
   2,127.16x = 3,190.70 × 1,499.88
4. Step 4: Simplify right side
   2,127.16x = 4,785,667.12
5. Step 5: Solve for x
   x = 4,785,667.12/2,127.16
6. Step 6: Final answer
   x = 2,249.79