Finding the Fourth Proportional to 106,404.86, 159,630.64 and 31,530.84

Step by Step Solution

1. Step 1: Write the proportion equation
   106,404.86 : 159,630.64 = 31,530.84 : x
2. Step 2: Convert to fraction form
   106,404.86/159,630.64 = 31,530.84/x
3. Step 3: Cross multiply
   106,404.86x = 159,630.64 × 31,530.84
4. Step 4: Simplify right side
   106,404.86x = 5,033,288,168.94
5. Step 5: Solve for x
   x = 5,033,288,168.94/106,404.86
6. Step 6: Final answer
   x = 47,303.18