Finding the Fourth Proportional to 2,407.48, 3,609.30 and 1,109.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.48 : 3,609.30 = 1,109.86 : x
2. Step 2: Convert to fraction form
   2,407.48/3,609.30 = 1,109.86/x
3. Step 3: Cross multiply
   2,407.48x = 3,609.30 × 1,109.86
4. Step 4: Simplify right side
   2,407.48x = 4,005,817.70
5. Step 5: Solve for x
   x = 4,005,817.70/2,407.48
6. Step 6: Final answer
   x = 1,663.90