Finding the Fourth Proportional to 49,088.82, 67,745.28 and 28,957.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,088.82 : 67,745.28 = 28,957.50 : x
2. Step 2: Convert to fraction form
   49,088.82/67,745.28 = 28,957.50/x
3. Step 3: Cross multiply
   49,088.82x = 67,745.28 × 28,957.50
4. Step 4: Simplify right side
   49,088.82x = 1,961,733,945.60
5. Step 5: Solve for x
   x = 1,961,733,945.60/49,088.82
6. Step 6: Final answer
   x = 39,962.95