Finding the Fourth Proportional to 10,091.82, 13,926.85 and 5,555.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,091.82 : 13,926.85 = 5,555.03 : x
2. Step 2: Convert to fraction form
   10,091.82/13,926.85 = 5,555.03/x
3. Step 3: Cross multiply
   10,091.82x = 13,926.85 × 5,555.03
4. Step 4: Simplify right side
   10,091.82x = 77,364,095.62
5. Step 5: Solve for x
   x = 77,364,095.62/10,091.82
6. Step 6: Final answer
   x = 7,666.02