Finding the Fourth Proportional to 11,524.38, 15,870.18 and 10,011.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,524.38 : 15,870.18 = 10,011.25 : x
2. Step 2: Convert to fraction form
   11,524.38/15,870.18 = 10,011.25/x
3. Step 3: Cross multiply
   11,524.38x = 15,870.18 × 10,011.25
4. Step 4: Simplify right side
   11,524.38x = 158,880,251.32
5. Step 5: Solve for x
   x = 158,880,251.32/11,524.38
6. Step 6: Final answer
   x = 13,786.45