Finding the Fourth Proportional to 7,803.94, 11,699.50 and 3,641.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,803.94 : 11,699.50 = 3,641.89 : x
2. Step 2: Convert to fraction form
   7,803.94/11,699.50 = 3,641.89/x
3. Step 3: Cross multiply
   7,803.94x = 11,699.50 × 3,641.89
4. Step 4: Simplify right side
   7,803.94x = 42,608,273.85
5. Step 5: Solve for x
   x = 42,608,273.85/7,803.94
6. Step 6: Final answer
   x = 5,459.84