Finding the Fourth Proportional to 37,840.42, 52,219.77 and 21,934.09

Step by Step Solution

1. Step 1: Write the proportion equation
   37,840.42 : 52,219.77 = 21,934.09 : x
2. Step 2: Convert to fraction form
   37,840.42/52,219.77 = 21,934.09/x
3. Step 3: Cross multiply
   37,840.42x = 52,219.77 × 21,934.09
4. Step 4: Simplify right side
   37,840.42x = 1,145,393,025.29
5. Step 5: Solve for x
   x = 1,145,393,025.29/37,840.42
6. Step 6: Final answer
   x = 30,269.04