Finding the Fourth Proportional to 37,866.42, 52,257.42 and 21,955.86

Step by Step Solution

1. Step 1: Write the proportion equation
   37,866.42 : 52,257.42 = 21,955.86 : x
2. Step 2: Convert to fraction form
   37,866.42/52,257.42 = 21,955.86/x
3. Step 3: Cross multiply
   37,866.42x = 52,257.42 × 21,955.86
4. Step 4: Simplify right side
   37,866.42x = 1,147,356,597.48
5. Step 5: Solve for x
   x = 1,147,356,597.48/37,866.42
6. Step 6: Final answer
   x = 30,300.11