Finding the Fourth Proportional to 10,932.90, 16,395.30 and 3,911.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,932.90 : 16,395.30 = 3,911.01 : x
2. Step 2: Convert to fraction form
   10,932.90/16,395.30 = 3,911.01/x
3. Step 3: Cross multiply
   10,932.90x = 16,395.30 × 3,911.01
4. Step 4: Simplify right side
   10,932.90x = 64,122,182.25
5. Step 5: Solve for x
   x = 64,122,182.25/10,932.90
6. Step 6: Final answer
   x = 5,865.07