Finding the Fourth Proportional to 3,012.42, 4,156.76 and 1,667.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,012.42 : 4,156.76 = 1,667.92 : x
2. Step 2: Convert to fraction form
   3,012.42/4,156.76 = 1,667.92/x
3. Step 3: Cross multiply
   3,012.42x = 4,156.76 × 1,667.92
4. Step 4: Simplify right side
   3,012.42x = 6,933,152.50
5. Step 5: Solve for x
   x = 6,933,152.50/3,012.42
6. Step 6: Final answer
   x = 2,301.53