Finding the Fourth Proportional to 49,047.15, 67,687.30 and 28,904.88

Step by Step Solution

1. Step 1: Write the proportion equation
   49,047.15 : 67,687.30 = 28,904.88 : x
2. Step 2: Convert to fraction form
   49,047.15/67,687.30 = 28,904.88/x
3. Step 3: Cross multiply
   49,047.15x = 67,687.30 × 28,904.88
4. Step 4: Simplify right side
   49,047.15x = 1,956,493,411.39
5. Step 5: Solve for x
   x = 1,956,493,411.39/49,047.15
6. Step 6: Final answer
   x = 39,890.05