Finding the Fourth Proportional to 106,470.56, 159,678.56 and 31,573.20

Step by Step Solution

1. Step 1: Write the proportion equation
   106,470.56 : 159,678.56 = 31,573.20 : x
2. Step 2: Convert to fraction form
   106,470.56/159,678.56 = 31,573.20/x
3. Step 3: Cross multiply
   106,470.56x = 159,678.56 × 31,573.20
4. Step 4: Simplify right side
   106,470.56x = 5,041,563,110.59
5. Step 5: Solve for x
   x = 5,041,563,110.59/106,470.56
6. Step 6: Final answer
   x = 47,351.71