Finding the Fourth Proportional to 31,410.06, 47,123.58 and 10,354.08

Step by Step Solution

1. Step 1: Write the proportion equation
   31,410.06 : 47,123.58 = 10,354.08 : x
2. Step 2: Convert to fraction form
   31,410.06/47,123.58 = 10,354.08/x
3. Step 3: Cross multiply
   31,410.06x = 47,123.58 × 10,354.08
4. Step 4: Simplify right side
   31,410.06x = 487,921,317.21
5. Step 5: Solve for x
   x = 487,921,317.21/31,410.06
6. Step 6: Final answer
   x = 15,533.92