Finding the Fourth Proportional to 50,987.46, 76,394.82 and 31,224.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,987.46 : 76,394.82 = 31,224.72 : x
2. Step 2: Convert to fraction form
   50,987.46/76,394.82 = 31,224.72/x
3. Step 3: Cross multiply
   50,987.46x = 76,394.82 × 31,224.72
4. Step 4: Simplify right side
   50,987.46x = 2,385,406,863.95
5. Step 5: Solve for x
   x = 2,385,406,863.95/50,987.46
6. Step 6: Final answer
   x = 46,784.19