Finding the Fourth Proportional to 52,741.94, 72,783.90 and 28,868.74

Step by Step Solution

1. Step 1: Write the proportion equation
   52,741.94 : 72,783.90 = 28,868.74 : x
2. Step 2: Convert to fraction form
   52,741.94/72,783.90 = 28,868.74/x
3. Step 3: Cross multiply
   52,741.94x = 72,783.90 × 28,868.74
4. Step 4: Simplify right side
   52,741.94x = 2,101,179,485.29
5. Step 5: Solve for x
   x = 2,101,179,485.29/52,741.94
6. Step 6: Final answer
   x = 39,838.87