Finding the Fourth Proportional to 2,397.48, 3,591.64 and 1,407.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397.48 : 3,591.64 = 1,407.86 : x
2. Step 2: Convert to fraction form
   2,397.48/3,591.64 = 1,407.86/x
3. Step 3: Cross multiply
   2,397.48x = 3,591.64 × 1,407.86
4. Step 4: Simplify right side
   2,397.48x = 5,056,526.29
5. Step 5: Solve for x
   x = 5,056,526.29/2,397.48
6. Step 6: Final answer
   x = 2,109.10