Finding the Fourth Proportional to 37,488.30, 51,735.42 and 21,572.82

Step by Step Solution

1. Step 1: Write the proportion equation
   37,488.30 : 51,735.42 = 21,572.82 : x
2. Step 2: Convert to fraction form
   37,488.30/51,735.42 = 21,572.82/x
3. Step 3: Cross multiply
   37,488.30x = 51,735.42 × 21,572.82
4. Step 4: Simplify right side
   37,488.30x = 1,116,078,903.28
5. Step 5: Solve for x
   x = 1,116,078,903.28/37,488.30
6. Step 6: Final answer
   x = 29,771.39