Finding the Fourth Proportional to 37,450.72, 51,681.99 and 21,538.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,450.72 : 51,681.99 = 21,538.30 : x
2. Step 2: Convert to fraction form
   37,450.72/51,681.99 = 21,538.30/x
3. Step 3: Cross multiply
   37,450.72x = 51,681.99 × 21,538.30
4. Step 4: Simplify right side
   37,450.72x = 1,113,142,205.22
5. Step 5: Solve for x
   x = 1,113,142,205.22/37,450.72
6. Step 6: Final answer
   x = 29,722.85