Finding the Fourth Proportional to 10,937.44, 16,404.40 and 3,916.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,937.44 : 16,404.40 = 3,916.15 : x
2. Step 2: Convert to fraction form
   10,937.44/16,404.40 = 3,916.15/x
3. Step 3: Cross multiply
   10,937.44x = 16,404.40 × 3,916.15
4. Step 4: Simplify right side
   10,937.44x = 64,242,091.06
5. Step 5: Solve for x
   x = 64,242,091.06/10,937.44
6. Step 6: Final answer
   x = 5,873.59