Finding the Fourth Proportional to 10,866.57, 16,299.71 and 3,470.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,866.57 : 16,299.71 = 3,470.93 : x
2. Step 2: Convert to fraction form
   10,866.57/16,299.71 = 3,470.93/x
3. Step 3: Cross multiply
   10,866.57x = 16,299.71 × 3,470.93
4. Step 4: Simplify right side
   10,866.57x = 56,575,152.43
5. Step 5: Solve for x
   x = 56,575,152.43/10,866.57
6. Step 6: Final answer
   x = 5,206.35