Finding the Fourth Proportional to 49,845.86, 68,784.72 and 28,332.80

Step by Step Solution

1. Step 1: Write the proportion equation
   49,845.86 : 68,784.72 = 28,332.80 : x
2. Step 2: Convert to fraction form
   49,845.86/68,784.72 = 28,332.80/x
3. Step 3: Cross multiply
   49,845.86x = 68,784.72 × 28,332.80
4. Step 4: Simplify right side
   49,845.86x = 1,948,863,714.82
5. Step 5: Solve for x
   x = 1,948,863,714.82/49,845.86
6. Step 6: Final answer
   x = 39,097.81