Finding the Fourth Proportional to 10,406.30, 15,612.17 and 3,011.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,406.30 : 15,612.17 = 3,011.33 : x
2. Step 2: Convert to fraction form
   10,406.30/15,612.17 = 3,011.33/x
3. Step 3: Cross multiply
   10,406.30x = 15,612.17 × 3,011.33
4. Step 4: Simplify right side
   10,406.30x = 47,013,302.77
5. Step 5: Solve for x
   x = 47,013,302.77/10,406.30
6. Step 6: Final answer
   x = 4,517.78