Finding the Fourth Proportional to 2,167.47, 3,253.10 and 1,617.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.47 : 3,253.10 = 1,617.93 : x
2. Step 2: Convert to fraction form
   2,167.47/3,253.10 = 1,617.93/x
3. Step 3: Cross multiply
   2,167.47x = 3,253.10 × 1,617.93
4. Step 4: Simplify right side
   2,167.47x = 5,263,279.99
5. Step 5: Solve for x
   x = 5,263,279.99/2,167.47
6. Step 6: Final answer
   x = 2,428.31