Finding the Fourth Proportional to 106,404.72, 159,558.08 and 31,498.08

Step by Step Solution

1. Step 1: Write the proportion equation
   106,404.72 : 159,558.08 = 31,498.08 : x
2. Step 2: Convert to fraction form
   106,404.72/159,558.08 = 31,498.08/x
3. Step 3: Cross multiply
   106,404.72x = 159,558.08 × 31,498.08
4. Step 4: Simplify right side
   106,404.72x = 5,025,773,168.49
5. Step 5: Solve for x
   x = 5,025,773,168.49/106,404.72
6. Step 6: Final answer
   x = 47,232.61