Finding the Fourth Proportional to 37,842.61, 52,222.81 and 21,936.29

Step by Step Solution

1. Step 1: Write the proportion equation
   37,842.61 : 52,222.81 = 21,936.29 : x
2. Step 2: Convert to fraction form
   37,842.61/52,222.81 = 21,936.29/x
3. Step 3: Cross multiply
   37,842.61x = 52,222.81 × 21,936.29
4. Step 4: Simplify right side
   37,842.61x = 1,145,574,704.77
5. Step 5: Solve for x
   x = 1,145,574,704.77/37,842.61
6. Step 6: Final answer
   x = 30,272.08