Finding the Fourth Proportional to 381,054.18, 571,581.52 and 96,766.05

Step by Step Solution

1. Step 1: Write the proportion equation
   381,054.18 : 571,581.52 = 96,766.05 : x
2. Step 2: Convert to fraction form
   381,054.18/571,581.52 = 96,766.05/x
3. Step 3: Cross multiply
   381,054.18x = 571,581.52 × 96,766.05
4. Step 4: Simplify right side
   381,054.18x = 55,309,685,943.40
5. Step 5: Solve for x
   x = 55,309,685,943.40/381,054.18
6. Step 6: Final answer
   x = 145,149.14