Finding the Fourth Proportional to 11,705.32, 17,551.68 and 5,123.85

Step by Step Solution

1. Step 1: Write the proportion equation
   11,705.32 : 17,551.68 = 5,123.85 : x
2. Step 2: Convert to fraction form
   11,705.32/17,551.68 = 5,123.85/x
3. Step 3: Cross multiply
   11,705.32x = 17,551.68 × 5,123.85
4. Step 4: Simplify right side
   11,705.32x = 89,932,175.57
5. Step 5: Solve for x
   x = 89,932,175.57/11,705.32
6. Step 6: Final answer
   x = 7,683.02