Finding the Fourth Proportional to 21,669.59, 32,516.37 and 10,576.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,669.59 : 32,516.37 = 10,576.37 : x
2. Step 2: Convert to fraction form
   21,669.59/32,516.37 = 10,576.37/x
3. Step 3: Cross multiply
   21,669.59x = 32,516.37 × 10,576.37
4. Step 4: Simplify right side
   21,669.59x = 343,905,160.18
5. Step 5: Solve for x
   x = 343,905,160.18/21,669.59
6. Step 6: Final answer
   x = 15,870.40