Finding the Fourth Proportional to 11,056.90, 16,586.31 and 3,159.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,056.90 : 16,586.31 = 3,159.27 : x
2. Step 2: Convert to fraction form
   11,056.90/16,586.31 = 3,159.27/x
3. Step 3: Cross multiply
   11,056.90x = 16,586.31 × 3,159.27
4. Step 4: Simplify right side
   11,056.90x = 52,400,631.59
5. Step 5: Solve for x
   x = 52,400,631.59/11,056.90
6. Step 6: Final answer
   x = 4,739.18