Finding the Fourth Proportional to 11,406.15, 17,115.57 and 5,562.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,406.15 : 17,115.57 = 5,562.81 : x
2. Step 2: Convert to fraction form
   11,406.15/17,115.57 = 5,562.81/x
3. Step 3: Cross multiply
   11,406.15x = 17,115.57 × 5,562.81
4. Step 4: Simplify right side
   11,406.15x = 95,210,663.95
5. Step 5: Solve for x
   x = 95,210,663.95/11,406.15
6. Step 6: Final answer
   x = 8,347.31