Finding the Fourth Proportional to 21,389.96, 32,087.82 and 7,535.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,389.96 : 32,087.82 = 7,535.72 : x
2. Step 2: Convert to fraction form
   21,389.96/32,087.82 = 7,535.72/x
3. Step 3: Cross multiply
   21,389.96x = 32,087.82 × 7,535.72
4. Step 4: Simplify right side
   21,389.96x = 241,804,826.93
5. Step 5: Solve for x
   x = 241,804,826.93/21,389.96
6. Step 6: Final answer
   x = 11,304.59