Finding the Fourth Proportional to 37,491.05, 51,739.22 and 21,575.57

Step by Step Solution

1. Step 1: Write the proportion equation
   37,491.05 : 51,739.22 = 21,575.57 : x
2. Step 2: Convert to fraction form
   37,491.05/51,739.22 = 21,575.57/x
3. Step 3: Cross multiply
   37,491.05x = 51,739.22 × 21,575.57
4. Step 4: Simplify right side
   37,491.05x = 1,116,303,162.86
5. Step 5: Solve for x
   x = 1,116,303,162.86/37,491.05
6. Step 6: Final answer
   x = 29,775.19