Finding the Fourth Proportional to 49,607.10, 68,456.61 and 28,385.01

Step by Step Solution

1. Step 1: Write the proportion equation
   49,607.10 : 68,456.61 = 28,385.01 : x
2. Step 2: Convert to fraction form
   49,607.10/68,456.61 = 28,385.01/x
3. Step 3: Cross multiply
   49,607.10x = 68,456.61 × 28,385.01
4. Step 4: Simplify right side
   49,607.10x = 1,943,141,559.42
5. Step 5: Solve for x
   x = 1,943,141,559.42/49,607.10
6. Step 6: Final answer
   x = 39,170.63