Finding the Fourth Proportional to 37,761.09, 52,106.25 and 21,842.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,761.09 : 52,106.25 = 21,842.56 : x
2. Step 2: Convert to fraction form
   37,761.09/52,106.25 = 21,842.56/x
3. Step 3: Cross multiply
   37,761.09x = 52,106.25 × 21,842.56
4. Step 4: Simplify right side
   37,761.09x = 1,138,134,039.04
5. Step 5: Solve for x
   x = 1,138,134,039.04/37,761.09
6. Step 6: Final answer
   x = 30,140.39