Finding the Fourth Proportional to 11,465.82, 15,826.21 and 7,487.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,465.82 : 15,826.21 = 7,487.57 : x
2. Step 2: Convert to fraction form
   11,465.82/15,826.21 = 7,487.57/x
3. Step 3: Cross multiply
   11,465.82x = 15,826.21 × 7,487.57
4. Step 4: Simplify right side
   11,465.82x = 118,499,876.06
5. Step 5: Solve for x
   x = 118,499,876.06/11,465.82
6. Step 6: Final answer
   x = 10,335.05