Finding the Fourth Proportional to 31,465.32, 47,196.86 and 13,695.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,465.32 : 47,196.86 = 13,695.94 : x
2. Step 2: Convert to fraction form
   31,465.32/47,196.86 = 13,695.94/x
3. Step 3: Cross multiply
   31,465.32x = 47,196.86 × 13,695.94
4. Step 4: Simplify right side
   31,465.32x = 646,405,362.75
5. Step 5: Solve for x
   x = 646,405,362.75/31,465.32
6. Step 6: Final answer
   x = 20,543.42