Finding the Fourth Proportional to 8,775.92, 12,111.56 and 4,998.26

Step by Step Solution

1. Step 1: Write the proportion equation
   8,775.92 : 12,111.56 = 4,998.26 : x
2. Step 2: Convert to fraction form
   8,775.92/12,111.56 = 4,998.26/x
3. Step 3: Cross multiply
   8,775.92x = 12,111.56 × 4,998.26
4. Step 4: Simplify right side
   8,775.92x = 60,536,725.89
5. Step 5: Solve for x
   x = 60,536,725.89/8,775.92
6. Step 6: Final answer
   x = 6,898.05