Finding the Fourth Proportional to 100,840.91, 151,284.04 and 30,727.31

Step by Step Solution

1. Step 1: Write the proportion equation
   100,840.91 : 151,284.04 = 30,727.31 : x
2. Step 2: Convert to fraction form
   100,840.91/151,284.04 = 30,727.31/x
3. Step 3: Cross multiply
   100,840.91x = 151,284.04 × 30,727.31
4. Step 4: Simplify right side
   100,840.91x = 4,648,550,761.89
5. Step 5: Solve for x
   x = 4,648,550,761.89/100,840.91
6. Step 6: Final answer
   x = 46,097.87