Finding the Fourth Proportional to 12,052.50, 18,066.31 and 5,036.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,052.50 : 18,066.31 = 5,036.61 : x
2. Step 2: Convert to fraction form
   12,052.50/18,066.31 = 5,036.61/x
3. Step 3: Cross multiply
   12,052.50x = 18,066.31 × 5,036.61
4. Step 4: Simplify right side
   12,052.50x = 90,993,012.77
5. Step 5: Solve for x
   x = 90,993,012.77/12,052.50
6. Step 6: Final answer
   x = 7,549.72