Finding the Fourth Proportional to 5,904.78, 8,150.81 and 3,916.01

Step by Step Solution

1. Step 1: Write the proportion equation
   5,904.78 : 8,150.81 = 3,916.01 : x
2. Step 2: Convert to fraction form
   5,904.78/8,150.81 = 3,916.01/x
3. Step 3: Cross multiply
   5,904.78x = 8,150.81 × 3,916.01
4. Step 4: Simplify right side
   5,904.78x = 31,918,593.13
5. Step 5: Solve for x
   x = 31,918,593.13/5,904.78
6. Step 6: Final answer
   x = 5,405.55