Finding the Fourth Proportional to 100,908.78, 151,363.20 and 34,355.94

Step by Step Solution

1. Step 1: Write the proportion equation
   100,908.78 : 151,363.20 = 34,355.94 : x
2. Step 2: Convert to fraction form
   100,908.78/151,363.20 = 34,355.94/x
3. Step 3: Cross multiply
   100,908.78x = 151,363.20 × 34,355.94
4. Step 4: Simplify right side
   100,908.78x = 5,200,225,017.41
5. Step 5: Solve for x
   x = 5,200,225,017.41/100,908.78
6. Step 6: Final answer
   x = 51,533.92