Finding the Fourth Proportional to 106,380.79, 159,571.71 and 31,502.35

Step by Step Solution

1. Step 1: Write the proportion equation
   106,380.79 : 159,571.71 = 31,502.35 : x
2. Step 2: Convert to fraction form
   106,380.79/159,571.71 = 31,502.35/x
3. Step 3: Cross multiply
   106,380.79x = 159,571.71 × 31,502.35
4. Step 4: Simplify right side
   106,380.79x = 5,026,883,858.52
5. Step 5: Solve for x
   x = 5,026,883,858.52/106,380.79
6. Step 6: Final answer
   x = 47,253.68