Finding the Fourth Proportional to 50,762.50, 70,042.32 and 31,888.69

Step by Step Solution

1. Step 1: Write the proportion equation
   50,762.50 : 70,042.32 = 31,888.69 : x
2. Step 2: Convert to fraction form
   50,762.50/70,042.32 = 31,888.69/x
3. Step 3: Cross multiply
   50,762.50x = 70,042.32 × 31,888.69
4. Step 4: Simplify right side
   50,762.50x = 2,233,557,654.26
5. Step 5: Solve for x
   x = 2,233,557,654.26/50,762.50
6. Step 6: Final answer
   x = 44,000.15