Finding the Fourth Proportional to 106,370.39, 159,557.27 and 31,498.15

Step by Step Solution

1. Step 1: Write the proportion equation
   106,370.39 : 159,557.27 = 31,498.15 : x
2. Step 2: Convert to fraction form
   106,370.39/159,557.27 = 31,498.15/x
3. Step 3: Cross multiply
   106,370.39x = 159,557.27 × 31,498.15
4. Step 4: Simplify right side
   106,370.39x = 5,025,758,267.67
5. Step 5: Solve for x
   x = 5,025,758,267.67/106,370.39
6. Step 6: Final answer
   x = 47,247.72