Finding the Fourth Proportional to 37,721.34, 52,059.59 and 21,590.13

Step by Step Solution

1. Step 1: Write the proportion equation
   37,721.34 : 52,059.59 = 21,590.13 : x
2. Step 2: Convert to fraction form
   37,721.34/52,059.59 = 21,590.13/x
3. Step 3: Cross multiply
   37,721.34x = 52,059.59 × 21,590.13
4. Step 4: Simplify right side
   37,721.34x = 1,123,973,207.90
5. Step 5: Solve for x
   x = 1,123,973,207.90/37,721.34
6. Step 6: Final answer
   x = 29,796.75