Finding the Fourth Proportional to 49,188.90, 73,857.15 and 28,152.69

Step by Step Solution

1. Step 1: Write the proportion equation
   49,188.90 : 73,857.15 = 28,152.69 : x
2. Step 2: Convert to fraction form
   49,188.90/73,857.15 = 28,152.69/x
3. Step 3: Cross multiply
   49,188.90x = 73,857.15 × 28,152.69
4. Step 4: Simplify right side
   49,188.90x = 2,079,277,448.23
5. Step 5: Solve for x
   x = 2,079,277,448.23/49,188.90
6. Step 6: Final answer
   x = 42,271.27