Finding the Fourth Proportional to 37,338.72, 51,528.48 and 21,426.24

Step by Step Solution

1. Step 1: Write the proportion equation
   37,338.72 : 51,528.48 = 21,426.24 : x
2. Step 2: Convert to fraction form
   37,338.72/51,528.48 = 21,426.24/x
3. Step 3: Cross multiply
   37,338.72x = 51,528.48 × 21,426.24
4. Step 4: Simplify right side
   37,338.72x = 1,104,061,579.32
5. Step 5: Solve for x
   x = 1,104,061,579.32/37,338.72
6. Step 6: Final answer
   x = 29,568.81