Finding the Fourth Proportional to 106,458.69, 159,663.42 and 31,560.77

Step by Step Solution

1. Step 1: Write the proportion equation
   106,458.69 : 159,663.42 = 31,560.77 : x
2. Step 2: Convert to fraction form
   106,458.69/159,663.42 = 31,560.77/x
3. Step 3: Cross multiply
   106,458.69x = 159,663.42 × 31,560.77
4. Step 4: Simplify right side
   106,458.69x = 5,039,099,677.72
5. Step 5: Solve for x
   x = 5,039,099,677.72/106,458.69
6. Step 6: Final answer
   x = 47,333.85