Finding the Fourth Proportional to 106,265.39, 159,427.17 and 31,385.48

Step by Step Solution

1. Step 1: Write the proportion equation
   106,265.39 : 159,427.17 = 31,385.48 : x
2. Step 2: Convert to fraction form
   106,265.39/159,427.17 = 31,385.48/x
3. Step 3: Cross multiply
   106,265.39x = 159,427.17 × 31,385.48
4. Step 4: Simplify right side
   106,265.39x = 5,003,697,458.36
5. Step 5: Solve for x
   x = 5,003,697,458.36/106,265.39
6. Step 6: Final answer
   x = 47,086.80