Finding the Fourth Proportional to 1,697.76, 2,549.52 and 1,624.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,697.76 : 2,549.52 = 1,624.86 : x
2. Step 2: Convert to fraction form
   1,697.76/2,549.52 = 1,624.86/x
3. Step 3: Cross multiply
   1,697.76x = 2,549.52 × 1,624.86
4. Step 4: Simplify right side
   1,697.76x = 4,142,613.07
5. Step 5: Solve for x
   x = 4,142,613.07/1,697.76
6. Step 6: Final answer
   x = 2,440.05