Finding the Fourth Proportional to 31,404.02, 47,112.52 and 10,345.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,404.02 : 47,112.52 = 10,345.34 : x
2. Step 2: Convert to fraction form
   31,404.02/47,112.52 = 10,345.34/x
3. Step 3: Cross multiply
   31,404.02x = 47,112.52 × 10,345.34
4. Step 4: Simplify right side
   31,404.02x = 487,395,168.37
5. Step 5: Solve for x
   x = 487,395,168.37/31,404.02
6. Step 6: Final answer
   x = 15,520.15