Finding the Fourth Proportional to 1,667.56, 2,507.01 and 1,345.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.56 : 2,507.01 = 1,345.18 : x
2. Step 2: Convert to fraction form
   1,667.56/2,507.01 = 1,345.18/x
3. Step 3: Cross multiply
   1,667.56x = 2,507.01 × 1,345.18
4. Step 4: Simplify right side
   1,667.56x = 3,372,379.71
5. Step 5: Solve for x
   x = 3,372,379.71/1,667.56
6. Step 6: Final answer
   x = 2,022.34