Finding the Fourth Proportional to 37,285.47, 51,442.37 and 21,150.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,285.47 : 51,442.37 = 21,150.12 : x
2. Step 2: Convert to fraction form
   37,285.47/51,442.37 = 21,150.12/x
3. Step 3: Cross multiply
   37,285.47x = 51,442.37 × 21,150.12
4. Step 4: Simplify right side
   37,285.47x = 1,088,012,192.83
5. Step 5: Solve for x
   x = 1,088,012,192.83/37,285.47
6. Step 6: Final answer
   x = 29,180.59