Finding the Fourth Proportional to 1,762.89, 2,428.56 and 1,636.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,762.89 : 2,428.56 = 1,636.53 : x
2. Step 2: Convert to fraction form
   1,762.89/2,428.56 = 1,636.53/x
3. Step 3: Cross multiply
   1,762.89x = 2,428.56 × 1,636.53
4. Step 4: Simplify right side
   1,762.89x = 3,974,411.30
5. Step 5: Solve for x
   x = 3,974,411.30/1,762.89
6. Step 6: Final answer
   x = 2,254.49