Finding the Fourth Proportional to 37,513.90, 51,782.22 and 21,604.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,513.90 : 51,782.22 = 21,604.69 : x
2. Step 2: Convert to fraction form
   37,513.90/51,782.22 = 21,604.69/x
3. Step 3: Cross multiply
   37,513.90x = 51,782.22 × 21,604.69
4. Step 4: Simplify right side
   37,513.90x = 1,118,738,443.68
5. Step 5: Solve for x
   x = 1,118,738,443.68/37,513.90
6. Step 6: Final answer
   x = 29,821.98