Finding the Fourth Proportional to 37,772.83, 56,633.69 and 21,144.34

Step by Step Solution

1. Step 1: Write the proportion equation
   37,772.83 : 56,633.69 = 21,144.34 : x
2. Step 2: Convert to fraction form
   37,772.83/56,633.69 = 21,144.34/x
3. Step 3: Cross multiply
   37,772.83x = 56,633.69 × 21,144.34
4. Step 4: Simplify right side
   37,772.83x = 1,197,481,891.09
5. Step 5: Solve for x
   x = 1,197,481,891.09/37,772.83
6. Step 6: Final answer
   x = 31,702.20