Finding the Fourth Proportional to 10,870.04, 16,306.14 and 3,945.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.04 : 16,306.14 = 3,945.08 : x
2. Step 2: Convert to fraction form
   10,870.04/16,306.14 = 3,945.08/x
3. Step 3: Cross multiply
   10,870.04x = 16,306.14 × 3,945.08
4. Step 4: Simplify right side
   10,870.04x = 64,329,026.79
5. Step 5: Solve for x
   x = 64,329,026.79/10,870.04
6. Step 6: Final answer
   x = 5,918.01