Finding the Fourth Proportional to 100,790.76, 151,155.39 and 34,216.10

Step by Step Solution

1. Step 1: Write the proportion equation
   100,790.76 : 151,155.39 = 34,216.10 : x
2. Step 2: Convert to fraction form
   100,790.76/151,155.39 = 34,216.10/x
3. Step 3: Cross multiply
   100,790.76x = 151,155.39 × 34,216.10
4. Step 4: Simplify right side
   100,790.76x = 5,171,947,184.00
5. Step 5: Solve for x
   x = 5,171,947,184.00/100,790.76
6. Step 6: Final answer
   x = 51,313.70