Finding the Fourth Proportional to 52,770.66, 72,819.72 and 28,893.48

Step by Step Solution

1. Step 1: Write the proportion equation
   52,770.66 : 72,819.72 = 28,893.48 : x
2. Step 2: Convert to fraction form
   52,770.66/72,819.72 = 28,893.48/x
3. Step 3: Cross multiply
   52,770.66x = 72,819.72 × 28,893.48
4. Step 4: Simplify right side
   52,770.66x = 2,104,015,123.43
5. Step 5: Solve for x
   x = 2,104,015,123.43/52,770.66
6. Step 6: Final answer
   x = 39,870.93