Finding the Fourth Proportional to 31,579.72, 47,359.71 and 10,514.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,579.72 : 47,359.71 = 10,514.84 : x
2. Step 2: Convert to fraction form
   31,579.72/47,359.71 = 10,514.84/x
3. Step 3: Cross multiply
   31,579.72x = 47,359.71 × 10,514.84
4. Step 4: Simplify right side
   31,579.72x = 497,979,773.10
5. Step 5: Solve for x
   x = 497,979,773.10/31,579.72
6. Step 6: Final answer
   x = 15,768.97