Finding the Fourth Proportional to 37,870.38, 52,263.36 and 21,960.36

Step by Step Solution

1. Step 1: Write the proportion equation
   37,870.38 : 52,263.36 = 21,960.36 : x
2. Step 2: Convert to fraction form
   37,870.38/52,263.36 = 21,960.36/x
3. Step 3: Cross multiply
   37,870.38x = 52,263.36 × 21,960.36
4. Step 4: Simplify right side
   37,870.38x = 1,147,722,200.41
5. Step 5: Solve for x
   x = 1,147,722,200.41/37,870.38
6. Step 6: Final answer
   x = 30,306.59