Finding the Fourth Proportional to 3,916.06, 5,404.50 and 2,148.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,916.06 : 5,404.50 = 2,148.01 : x
2. Step 2: Convert to fraction form
   3,916.06/5,404.50 = 2,148.01/x
3. Step 3: Cross multiply
   3,916.06x = 5,404.50 × 2,148.01
4. Step 4: Simplify right side
   3,916.06x = 11,608,906.53
5. Step 5: Solve for x
   x = 11,608,906.53/3,916.06
6. Step 6: Final answer
   x = 2,964.44