Finding the Fourth Proportional to 50,733.03, 75,922.71 and 30,731.21

Step by Step Solution

1. Step 1: Write the proportion equation
   50,733.03 : 75,922.71 = 30,731.21 : x
2. Step 2: Convert to fraction form
   50,733.03/75,922.71 = 30,731.21/x
3. Step 3: Cross multiply
   50,733.03x = 75,922.71 × 30,731.21
4. Step 4: Simplify right side
   50,733.03x = 2,333,196,534.63
5. Step 5: Solve for x
   x = 2,333,196,534.63/50,733.03
6. Step 6: Final answer
   x = 45,989.69