Finding the Fourth Proportional to 37,859.16, 52,242.30 and 21,938.52

Step by Step Solution

1. Step 1: Write the proportion equation
   37,859.16 : 52,242.30 = 21,938.52 : x
2. Step 2: Convert to fraction form
   37,859.16/52,242.30 = 21,938.52/x
3. Step 3: Cross multiply
   37,859.16x = 52,242.30 × 21,938.52
4. Step 4: Simplify right side
   37,859.16x = 1,146,118,743.40
5. Step 5: Solve for x
   x = 1,146,118,743.40/37,859.16
6. Step 6: Final answer
   x = 30,273.22