Finding the Fourth Proportional to 10,587.16, 14,603.82 and 8,345.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,587.16 : 14,603.82 = 8,345.56 : x
2. Step 2: Convert to fraction form
   10,587.16/14,603.82 = 8,345.56/x
3. Step 3: Cross multiply
   10,587.16x = 14,603.82 × 8,345.56
4. Step 4: Simplify right side
   10,587.16x = 121,877,056.04
5. Step 5: Solve for x
   x = 121,877,056.04/10,587.16
6. Step 6: Final answer
   x = 11,511.78