Finding the Fourth Proportional to 103,074.78, 154,634.24 and 31,995.86

Step by Step Solution

1. Step 1: Write the proportion equation
   103,074.78 : 154,634.24 = 31,995.86 : x
2. Step 2: Convert to fraction form
   103,074.78/154,634.24 = 31,995.86/x
3. Step 3: Cross multiply
   103,074.78x = 154,634.24 × 31,995.86
4. Step 4: Simplify right side
   103,074.78x = 4,947,654,561.10
5. Step 5: Solve for x
   x = 4,947,654,561.10/103,074.78
6. Step 6: Final answer
   x = 48,000.63