Finding the Fourth Proportional to 11,881.67, 17,826.81 and 5,562.11

Step by Step Solution

1. Step 1: Write the proportion equation
   11,881.67 : 17,826.81 = 5,562.11 : x
2. Step 2: Convert to fraction form
   11,881.67/17,826.81 = 5,562.11/x
3. Step 3: Cross multiply
   11,881.67x = 17,826.81 × 5,562.11
4. Step 4: Simplify right side
   11,881.67x = 99,154,678.17
5. Step 5: Solve for x
   x = 99,154,678.17/11,881.67
6. Step 6: Final answer
   x = 8,345.18