Finding the Fourth Proportional to 11,861.91, 17,795.88 and 3,541.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,861.91 : 17,795.88 = 3,541.86 : x
2. Step 2: Convert to fraction form
   11,861.91/17,795.88 = 3,541.86/x
3. Step 3: Cross multiply
   11,861.91x = 17,795.88 × 3,541.86
4. Step 4: Simplify right side
   11,861.91x = 63,030,515.54
5. Step 5: Solve for x
   x = 63,030,515.54/11,861.91
6. Step 6: Final answer
   x = 5,313.69