Finding the Fourth Proportional to 49,089.16, 67,743.30 and 28,683.10

Step by Step Solution

1. Step 1: Write the proportion equation
   49,089.16 : 67,743.30 = 28,683.10 : x
2. Step 2: Convert to fraction form
   49,089.16/67,743.30 = 28,683.10/x
3. Step 3: Cross multiply
   49,089.16x = 67,743.30 × 28,683.10
4. Step 4: Simplify right side
   49,089.16x = 1,943,087,848.23
5. Step 5: Solve for x
   x = 1,943,087,848.23/49,089.16
6. Step 6: Final answer
   x = 39,582.83