Finding the Fourth Proportional to 11,781.55, 16,258.52 and 7,003.87

Step by Step Solution

1. Step 1: Write the proportion equation
   11,781.55 : 16,258.52 = 7,003.87 : x
2. Step 2: Convert to fraction form
   11,781.55/16,258.52 = 7,003.87/x
3. Step 3: Cross multiply
   11,781.55x = 16,258.52 × 7,003.87
4. Step 4: Simplify right side
   11,781.55x = 113,872,537.34
5. Step 5: Solve for x
   x = 113,872,537.34/11,781.55
6. Step 6: Final answer
   x = 9,665.33