Finding the Fourth Proportional to 21,437.42, 32,176.89 and 10,351.89

Step by Step Solution

1. Step 1: Write the proportion equation
   21,437.42 : 32,176.89 = 10,351.89 : x
2. Step 2: Convert to fraction form
   21,437.42/32,176.89 = 10,351.89/x
3. Step 3: Cross multiply
   21,437.42x = 32,176.89 × 10,351.89
4. Step 4: Simplify right side
   21,437.42x = 333,091,625.82
5. Step 5: Solve for x
   x = 333,091,625.82/21,437.42
6. Step 6: Final answer
   x = 15,537.86