Finding the Fourth Proportional to 1,667.16, 2,302.56 and 1,437.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.16 : 2,302.56 = 1,437.12 : x
2. Step 2: Convert to fraction form
   1,667.16/2,302.56 = 1,437.12/x
3. Step 3: Cross multiply
   1,667.16x = 2,302.56 × 1,437.12
4. Step 4: Simplify right side
   1,667.16x = 3,309,055.03
5. Step 5: Solve for x
   x = 3,309,055.03/1,667.16
6. Step 6: Final answer
   x = 1,984.85