Finding the Fourth Proportional to 85,714.47, 118,275.86 and 49,415.51

Step by Step Solution

1. Step 1: Write the proportion equation
   85,714.47 : 118,275.86 = 49,415.51 : x
2. Step 2: Convert to fraction form
   85,714.47/118,275.86 = 49,415.51/x
3. Step 3: Cross multiply
   85,714.47x = 118,275.86 × 49,415.51
4. Step 4: Simplify right side
   85,714.47x = 5,844,661,942.59
5. Step 5: Solve for x
   x = 5,844,661,942.59/85,714.47
6. Step 6: Final answer
   x = 68,187.58