Finding the Fourth Proportional to 118,947.12, 164,151.76 and 65,234.04

Step by Step Solution

1. Step 1: Write the proportion equation
   118,947.12 : 164,151.76 = 65,234.04 : x
2. Step 2: Convert to fraction form
   118,947.12/164,151.76 = 65,234.04/x
3. Step 3: Cross multiply
   118,947.12x = 164,151.76 × 65,234.04
4. Step 4: Simplify right side
   118,947.12x = 10,708,282,477.91
5. Step 5: Solve for x
   x = 10,708,282,477.91/118,947.12
6. Step 6: Final answer
   x = 90,025.57