Finding the Fourth Proportional to 37,275.82, 51,442.42 and 21,360.31

Step by Step Solution

1. Step 1: Write the proportion equation
   37,275.82 : 51,442.42 = 21,360.31 : x
2. Step 2: Convert to fraction form
   37,275.82/51,442.42 = 21,360.31/x
3. Step 3: Cross multiply
   37,275.82x = 51,442.42 × 21,360.31
4. Step 4: Simplify right side
   37,275.82x = 1,098,826,038.35
5. Step 5: Solve for x
   x = 1,098,826,038.35/37,275.82
6. Step 6: Final answer
   x = 29,478.25