Finding the Fourth Proportional to 11,490.59, 15,863.06 and 7,733.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,490.59 : 15,863.06 = 7,733.50 : x
2. Step 2: Convert to fraction form
   11,490.59/15,863.06 = 7,733.50/x
3. Step 3: Cross multiply
   11,490.59x = 15,863.06 × 7,733.50
4. Step 4: Simplify right side
   11,490.59x = 122,676,999.91
5. Step 5: Solve for x
   x = 122,676,999.91/11,490.59
6. Step 6: Final answer
   x = 10,676.30