Finding the Fourth Proportional to 106,431.71, 159,648.18 and 31,552.47

Step by Step Solution

1. Step 1: Write the proportion equation
   106,431.71 : 159,648.18 = 31,552.47 : x
2. Step 2: Convert to fraction form
   106,431.71/159,648.18 = 31,552.47/x
3. Step 3: Cross multiply
   106,431.71x = 159,648.18 × 31,552.47
4. Step 4: Simplify right side
   106,431.71x = 5,037,294,410.00
5. Step 5: Solve for x
   x = 5,037,294,410.00/106,431.71
6. Step 6: Final answer
   x = 47,328.89