Finding the Fourth Proportional to 49,547.84, 68,387.90 and 28,339.47

Step by Step Solution

1. Step 1: Write the proportion equation
   49,547.84 : 68,387.90 = 28,339.47 : x
2. Step 2: Convert to fraction form
   49,547.84/68,387.90 = 28,339.47/x
3. Step 3: Cross multiply
   49,547.84x = 68,387.90 × 28,339.47
4. Step 4: Simplify right side
   49,547.84x = 1,938,076,698.72
5. Step 5: Solve for x
   x = 1,938,076,698.72/49,547.84
6. Step 6: Final answer
   x = 39,115.27