Finding the Fourth Proportional to 9,461.39, 14,193.80 and 3,911.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,461.39 : 14,193.80 = 3,911.72 : x
2. Step 2: Convert to fraction form
   9,461.39/14,193.80 = 3,911.72/x
3. Step 3: Cross multiply
   9,461.39x = 14,193.80 × 3,911.72
4. Step 4: Simplify right side
   9,461.39x = 55,522,171.34
5. Step 5: Solve for x
   x = 55,522,171.34/9,461.39
6. Step 6: Final answer
   x = 5,868.29