Finding the Fourth Proportional to 5,931.14, 8,186.69 and 3,916.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,931.14 : 8,186.69 = 3,916.03 : x
2. Step 2: Convert to fraction form
   5,931.14/8,186.69 = 3,916.03/x
3. Step 3: Cross multiply
   5,931.14x = 8,186.69 × 3,916.03
4. Step 4: Simplify right side
   5,931.14x = 32,059,283.59
5. Step 5: Solve for x
   x = 32,059,283.59/5,931.14
6. Step 6: Final answer
   x = 5,405.25