Finding the Fourth Proportional to 100,906.10, 151,356.72 and 30,786.02

Step by Step Solution

1. Step 1: Write the proportion equation
   100,906.10 : 151,356.72 = 30,786.02 : x
2. Step 2: Convert to fraction form
   100,906.10/151,356.72 = 30,786.02/x
3. Step 3: Cross multiply
   100,906.10x = 151,356.72 × 30,786.02
4. Step 4: Simplify right side
   100,906.10x = 4,659,671,009.05
5. Step 5: Solve for x
   x = 4,659,671,009.05/100,906.10
6. Step 6: Final answer
   x = 46,178.29