Finding the Fourth Proportional to 37,537.31, 51,820.22 and 21,618.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,537.31 : 51,820.22 = 21,618.69 : x
2. Step 2: Convert to fraction form
   37,537.31/51,820.22 = 21,618.69/x
3. Step 3: Cross multiply
   37,537.31x = 51,820.22 × 21,618.69
4. Step 4: Simplify right side
   37,537.31x = 1,120,285,271.91
5. Step 5: Solve for x
   x = 1,120,285,271.91/37,537.31
6. Step 6: Final answer
   x = 29,844.58