Finding the Fourth Proportional to 106,454.79, 159,654.94 and 31,557.42

Step by Step Solution

1. Step 1: Write the proportion equation
   106,454.79 : 159,654.94 = 31,557.42 : x
2. Step 2: Convert to fraction form
   106,454.79/159,654.94 = 31,557.42/x
3. Step 3: Cross multiply
   106,454.79x = 159,654.94 × 31,557.42
4. Step 4: Simplify right side
   106,454.79x = 5,038,297,917.76
5. Step 5: Solve for x
   x = 5,038,297,917.76/106,454.79
6. Step 6: Final answer
   x = 47,328.05