Finding the Fourth Proportional to 50,807.80, 70,113.82 and 28,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,807.80 : 70,113.82 = 28,146.72 : x
2. Step 2: Convert to fraction form
   50,807.80/70,113.82 = 28,146.72/x
3. Step 3: Cross multiply
   50,807.80x = 70,113.82 × 28,146.72
4. Step 4: Simplify right side
   50,807.80x = 1,973,474,059.67
5. Step 5: Solve for x
   x = 1,973,474,059.67/50,807.80
6. Step 6: Final answer
   x = 38,841.95