Finding the Fourth Proportional to 9,091.86, 12,543.84 and 5,505.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,091.86 : 12,543.84 = 5,505.67 : x
2. Step 2: Convert to fraction form
   9,091.86/12,543.84 = 5,505.67/x
3. Step 3: Cross multiply
   9,091.86x = 12,543.84 × 5,505.67
4. Step 4: Simplify right side
   9,091.86x = 69,062,266.99
5. Step 5: Solve for x
   x = 69,062,266.99/9,091.86
6. Step 6: Final answer
   x = 7,596.06