Finding the Fourth Proportional to 10,569.22, 15,861.86 and 3,912.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,569.22 : 15,861.86 = 3,912.01 : x
2. Step 2: Convert to fraction form
   10,569.22/15,861.86 = 3,912.01/x
3. Step 3: Cross multiply
   10,569.22x = 15,861.86 × 3,912.01
4. Step 4: Simplify right side
   10,569.22x = 62,051,799.62
5. Step 5: Solve for x
   x = 62,051,799.62/10,569.22
6. Step 6: Final answer
   x = 5,870.99