Finding the Fourth Proportional to 12,371.51, 18,557.31 and 3,011.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,371.51 : 18,557.31 = 3,011.53 : x
2. Step 2: Convert to fraction form
   12,371.51/18,557.31 = 3,011.53/x
3. Step 3: Cross multiply
   12,371.51x = 18,557.31 × 3,011.53
4. Step 4: Simplify right side
   12,371.51x = 55,885,895.78
5. Step 5: Solve for x
   x = 55,885,895.78/12,371.51
6. Step 6: Final answer
   x = 4,517.31