Finding the Fourth Proportional to 52,848.54, 72,933.42 and 28,977

Step by Step Solution

1. Step 1: Write the proportion equation
   52,848.54 : 72,933.42 = 28,977 : x
2. Step 2: Convert to fraction form
   52,848.54/72,933.42 = 28,977/x
3. Step 3: Cross multiply
   52,848.54x = 72,933.42 × 28,977
4. Step 4: Simplify right side
   52,848.54x = 2,113,391,711.34
5. Step 5: Solve for x
   x = 2,113,391,711.34/52,848.54
6. Step 6: Final answer
   x = 39,989.60