Finding the Fourth Proportional to 37,311.48, 51,483.82 and 21,393

Step by Step Solution

1. Step 1: Write the proportion equation
   37,311.48 : 51,483.82 = 21,393 : x
2. Step 2: Convert to fraction form
   37,311.48/51,483.82 = 21,393/x
3. Step 3: Cross multiply
   37,311.48x = 51,483.82 × 21,393
4. Step 4: Simplify right side
   37,311.48x = 1,101,393,361.26
5. Step 5: Solve for x
   x = 1,101,393,361.26/37,311.48
6. Step 6: Final answer
   x = 29,518.89