Finding the Fourth Proportional to 114,964.86, 172,447.35 and 31,858.86

Step by Step Solution

1. Step 1: Write the proportion equation
   114,964.86 : 172,447.35 = 31,858.86 : x
2. Step 2: Convert to fraction form
   114,964.86/172,447.35 = 31,858.86/x
3. Step 3: Cross multiply
   114,964.86x = 172,447.35 × 31,858.86
4. Step 4: Simplify right side
   114,964.86x = 5,493,975,981.02
5. Step 5: Solve for x
   x = 5,493,975,981.02/114,964.86
6. Step 6: Final answer
   x = 47,788.31