Finding the Fourth Proportional to 73,685.86, 110,436.31 and 31,516.36

Step by Step Solution

1. Step 1: Write the proportion equation
   73,685.86 : 110,436.31 = 31,516.36 : x
2. Step 2: Convert to fraction form
   73,685.86/110,436.31 = 31,516.36/x
3. Step 3: Cross multiply
   73,685.86x = 110,436.31 × 31,516.36
4. Step 4: Simplify right side
   73,685.86x = 3,480,550,503.03
5. Step 5: Solve for x
   x = 3,480,550,503.03/73,685.86
6. Step 6: Final answer
   x = 47,234.99