Finding the Fourth Proportional to 10,900.07, 16,345.24 and 3,107.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,900.07 : 16,345.24 = 3,107.06 : x
2. Step 2: Convert to fraction form
   10,900.07/16,345.24 = 3,107.06/x
3. Step 3: Cross multiply
   10,900.07x = 16,345.24 × 3,107.06
4. Step 4: Simplify right side
   10,900.07x = 50,785,630.67
5. Step 5: Solve for x
   x = 50,785,630.67/10,900.07
6. Step 6: Final answer
   x = 4,659.20