Finding the Fourth Proportional to 72,927.11, 109,419.82 and 31,403.27

Step by Step Solution

1. Step 1: Write the proportion equation
   72,927.11 : 109,419.82 = 31,403.27 : x
2. Step 2: Convert to fraction form
   72,927.11/109,419.82 = 31,403.27/x
3. Step 3: Cross multiply
   72,927.11x = 109,419.82 × 31,403.27
4. Step 4: Simplify right side
   72,927.11x = 3,436,139,525.20
5. Step 5: Solve for x
   x = 3,436,139,525.20/72,927.11
6. Step 6: Final answer
   x = 47,117.45