Finding the Fourth Proportional to 50,985.43, 70,385.48 and 31,875.82

Step by Step Solution

1. Step 1: Write the proportion equation
   50,985.43 : 70,385.48 = 31,875.82 : x
2. Step 2: Convert to fraction form
   50,985.43/70,385.48 = 31,875.82/x
3. Step 3: Cross multiply
   50,985.43x = 70,385.48 × 31,875.82
4. Step 4: Simplify right side
   50,985.43x = 2,243,594,891.09
5. Step 5: Solve for x
   x = 2,243,594,891.09/50,985.43
6. Step 6: Final answer
   x = 44,004.63