Finding the Fourth Proportional to 10,875.55, 16,320.62 and 3,950.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,875.55 : 16,320.62 = 3,950.05 : x
2. Step 2: Convert to fraction form
   10,875.55/16,320.62 = 3,950.05/x
3. Step 3: Cross multiply
   10,875.55x = 16,320.62 × 3,950.05
4. Step 4: Simplify right side
   10,875.55x = 64,467,265.03
5. Step 5: Solve for x
   x = 64,467,265.03/10,875.55
6. Step 6: Final answer
   x = 5,927.72