Finding the Fourth Proportional to 49,387.39, 68,150.30 and 28,973.57

Step by Step Solution

1. Step 1: Write the proportion equation
   49,387.39 : 68,150.30 = 28,973.57 : x
2. Step 2: Convert to fraction form
   49,387.39/68,150.30 = 28,973.57/x
3. Step 3: Cross multiply
   49,387.39x = 68,150.30 × 28,973.57
4. Step 4: Simplify right side
   49,387.39x = 1,974,557,548.27
5. Step 5: Solve for x
   x = 1,974,557,548.27/49,387.39
6. Step 6: Final answer
   x = 39,981.00