Finding the Fourth Proportional to 11,323.77, 16,985.18 and 5,776.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,323.77 : 16,985.18 = 5,776.98 : x
2. Step 2: Convert to fraction form
   11,323.77/16,985.18 = 5,776.98/x
3. Step 3: Cross multiply
   11,323.77x = 16,985.18 × 5,776.98
4. Step 4: Simplify right side
   11,323.77x = 98,123,045.16
5. Step 5: Solve for x
   x = 98,123,045.16/11,323.77
6. Step 6: Final answer
   x = 8,665.23