Finding the Fourth Proportional to 11,054.82, 16,588.71 and 7,931.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,054.82 : 16,588.71 = 7,931.46 : x
2. Step 2: Convert to fraction form
   11,054.82/16,588.71 = 7,931.46/x
3. Step 3: Cross multiply
   11,054.82x = 16,588.71 × 7,931.46
4. Step 4: Simplify right side
   11,054.82x = 131,572,689.82
5. Step 5: Solve for x
   x = 131,572,689.82/11,054.82
6. Step 6: Final answer
   x = 11,901.84