Finding the Fourth Proportional to 110,452.88, 165,684.78 and 31,578.72

Step by Step Solution

1. Step 1: Write the proportion equation
   110,452.88 : 165,684.78 = 31,578.72 : x
2. Step 2: Convert to fraction form
   110,452.88/165,684.78 = 31,578.72/x
3. Step 3: Cross multiply
   110,452.88x = 165,684.78 × 31,578.72
4. Step 4: Simplify right side
   110,452.88x = 5,232,113,275.88
5. Step 5: Solve for x
   x = 5,232,113,275.88/110,452.88
6. Step 6: Final answer
   x = 47,369.64