Finding the Fourth Proportional to 10,191.61, 15,284.22 and 3,951.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,191.61 : 15,284.22 = 3,951.19 : x
2. Step 2: Convert to fraction form
   10,191.61/15,284.22 = 3,951.19/x
3. Step 3: Cross multiply
   10,191.61x = 15,284.22 × 3,951.19
4. Step 4: Simplify right side
   10,191.61x = 60,390,857.22
5. Step 5: Solve for x
   x = 60,390,857.22/10,191.61
6. Step 6: Final answer
   x = 5,925.55