Finding the Fourth Proportional to 8,776.35, 12,111.12 and 4,998.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,776.35 : 12,111.12 = 4,998.51 : x
2. Step 2: Convert to fraction form
   8,776.35/12,111.12 = 4,998.51/x
3. Step 3: Cross multiply
   8,776.35x = 12,111.12 × 4,998.51
4. Step 4: Simplify right side
   8,776.35x = 60,537,554.43
5. Step 5: Solve for x
   x = 60,537,554.43/8,776.35
6. Step 6: Final answer
   x = 6,897.81