Finding the Fourth Proportional to 1,688.63, 2,526.17 and 1,459.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688.63 : 2,526.17 = 1,459.98 : x
2. Step 2: Convert to fraction form
   1,688.63/2,526.17 = 1,459.98/x
3. Step 3: Cross multiply
   1,688.63x = 2,526.17 × 1,459.98
4. Step 4: Simplify right side
   1,688.63x = 3,688,150.38
5. Step 5: Solve for x
   x = 3,688,150.38/1,688.63
6. Step 6: Final answer
   x = 2,184.11