Finding the Fourth Proportional to 10,761.35, 16,138.35 and 3,739.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,761.35 : 16,138.35 = 3,739.50 : x
2. Step 2: Convert to fraction form
   10,761.35/16,138.35 = 3,739.50/x
3. Step 3: Cross multiply
   10,761.35x = 16,138.35 × 3,739.50
4. Step 4: Simplify right side
   10,761.35x = 60,349,359.83
5. Step 5: Solve for x
   x = 60,349,359.83/10,761.35
6. Step 6: Final answer
   x = 5,607.98