Finding the Fourth Proportional to 37,216.09, 51,355.22 and 21,296.89

Step by Step Solution

1. Step 1: Write the proportion equation
   37,216.09 : 51,355.22 = 21,296.89 : x
2. Step 2: Convert to fraction form
   37,216.09/51,355.22 = 21,296.89/x
3. Step 3: Cross multiply
   37,216.09x = 51,355.22 × 21,296.89
4. Step 4: Simplify right side
   37,216.09x = 1,093,706,471.27
5. Step 5: Solve for x
   x = 1,093,706,471.27/37,216.09
6. Step 6: Final answer
   x = 29,388.00