Finding the Fourth Proportional to 50,987.45, 76,394.82 and 31,224.71

Step by Step Solution

1. Step 1: Write the proportion equation
   50,987.45 : 76,394.82 = 31,224.71 : x
2. Step 2: Convert to fraction form
   50,987.45/76,394.82 = 31,224.71/x
3. Step 3: Cross multiply
   50,987.45x = 76,394.82 × 31,224.71
4. Step 4: Simplify right side
   50,987.45x = 2,385,406,100.00
5. Step 5: Solve for x
   x = 2,385,406,100.00/50,987.45
6. Step 6: Final answer
   x = 46,784.18