Finding the Fourth Proportional to 2,002.47, 3,010.16 and 1,856.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.47 : 3,010.16 = 1,856.89 : x
2. Step 2: Convert to fraction form
   2,002.47/3,010.16 = 1,856.89/x
3. Step 3: Cross multiply
   2,002.47x = 3,010.16 × 1,856.89
4. Step 4: Simplify right side
   2,002.47x = 5,589,526.72
5. Step 5: Solve for x
   x = 5,589,526.72/2,002.47
6. Step 6: Final answer
   x = 2,791.32