Finding the Fourth Proportional to 3,791.95, 5,235.55 and 2,660.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,791.95 : 5,235.55 = 2,660.02 : x
2. Step 2: Convert to fraction form
   3,791.95/5,235.55 = 2,660.02/x
3. Step 3: Cross multiply
   3,791.95x = 5,235.55 × 2,660.02
4. Step 4: Simplify right side
   3,791.95x = 13,926,667.71
5. Step 5: Solve for x
   x = 13,926,667.71/3,791.95
6. Step 6: Final answer
   x = 3,672.70