Finding the Fourth Proportional to 2,100.60, 2,901.38 and 1,540.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.60 : 2,901.38 = 1,540.26 : x
2. Step 2: Convert to fraction form
   2,100.60/2,901.38 = 1,540.26/x
3. Step 3: Cross multiply
   2,100.60x = 2,901.38 × 1,540.26
4. Step 4: Simplify right side
   2,100.60x = 4,468,871.86
5. Step 5: Solve for x
   x = 4,468,871.86/2,100.60
6. Step 6: Final answer
   x = 2,127.43