Finding the Fourth Proportional to 37,842.42, 52,222.55 and 21,936.10

Step by Step Solution

1. Step 1: Write the proportion equation
   37,842.42 : 52,222.55 = 21,936.10 : x
2. Step 2: Convert to fraction form
   37,842.42/52,222.55 = 21,936.10/x
3. Step 3: Cross multiply
   37,842.42x = 52,222.55 × 21,936.10
4. Step 4: Simplify right side
   37,842.42x = 1,145,558,838.82
5. Step 5: Solve for x
   x = 1,145,558,838.82/37,842.42
6. Step 6: Final answer
   x = 30,271.82