Finding the Fourth Proportional to 10,547.82, 15,850.47 and 5,620.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,547.82 : 15,850.47 = 5,620.98 : x
2. Step 2: Convert to fraction form
   10,547.82/15,850.47 = 5,620.98/x
3. Step 3: Cross multiply
   10,547.82x = 15,850.47 × 5,620.98
4. Step 4: Simplify right side
   10,547.82x = 89,095,174.86
5. Step 5: Solve for x
   x = 89,095,174.86/10,547.82
6. Step 6: Final answer
   x = 8,446.79