Finding the Fourth Proportional to 2,536.43, 3,807.38 and 2,130.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,536.43 : 3,807.38 = 2,130.01 : x
2. Step 2: Convert to fraction form
   2,536.43/3,807.38 = 2,130.01/x
3. Step 3: Cross multiply
   2,536.43x = 3,807.38 × 2,130.01
4. Step 4: Simplify right side
   2,536.43x = 8,109,737.31
5. Step 5: Solve for x
   x = 8,109,737.31/2,536.43
6. Step 6: Final answer
   x = 3,197.31