Finding the Fourth Proportional to 2,499.42, 3,750.39 and 1,667.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.42 : 3,750.39 = 1,667.07 : x
2. Step 2: Convert to fraction form
   2,499.42/3,750.39 = 1,667.07/x
3. Step 3: Cross multiply
   2,499.42x = 3,750.39 × 1,667.07
4. Step 4: Simplify right side
   2,499.42x = 6,252,162.66
5. Step 5: Solve for x
   x = 6,252,162.66/2,499.42
6. Step 6: Final answer
   x = 2,501.45