Finding the Fourth Proportional to 37,448.72, 51,679.23 and 21,536.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,448.72 : 51,679.23 = 21,536.30 : x
2. Step 2: Convert to fraction form
   37,448.72/51,679.23 = 21,536.30/x
3. Step 3: Cross multiply
   37,448.72x = 51,679.23 × 21,536.30
4. Step 4: Simplify right side
   37,448.72x = 1,112,979,401.05
5. Step 5: Solve for x
   x = 1,112,979,401.05/37,448.72
6. Step 6: Final answer
   x = 29,720.09