Finding the Fourth Proportional to 50,915.77, 70,308.39 and 31,828.16

Step by Step Solution

1. Step 1: Write the proportion equation
   50,915.77 : 70,308.39 = 31,828.16 : x
2. Step 2: Convert to fraction form
   50,915.77/70,308.39 = 31,828.16/x
3. Step 3: Cross multiply
   50,915.77x = 70,308.39 × 31,828.16
4. Step 4: Simplify right side
   50,915.77x = 2,237,786,981.39
5. Step 5: Solve for x
   x = 2,237,786,981.39/50,915.77
6. Step 6: Final answer
   x = 43,950.77