Finding the Fourth Proportional to 37,837.86, 52,216.25 and 21,931.54

Step by Step Solution

1. Step 1: Write the proportion equation
   37,837.86 : 52,216.25 = 21,931.54 : x
2. Step 2: Convert to fraction form
   37,837.86/52,216.25 = 21,931.54/x
3. Step 3: Cross multiply
   37,837.86x = 52,216.25 × 21,931.54
4. Step 4: Simplify right side
   37,837.86x = 1,145,182,793.80
5. Step 5: Solve for x
   x = 1,145,182,793.80/37,837.86
6. Step 6: Final answer
   x = 30,265.52