Finding the Fourth Proportional to 118,947, 164,146.86 and 65,955

Step by Step Solution

1. Step 1: Write the proportion equation
   118,947 : 164,146.86 = 65,955 : x
2. Step 2: Convert to fraction form
   118,947/164,146.86 = 65,955/x
3. Step 3: Cross multiply
   118,947x = 164,146.86 × 65,955
4. Step 4: Simplify right side
   118,947x = 10,826,306,151.30
5. Step 5: Solve for x
   x = 10,826,306,151.30/118,947
6. Step 6: Final answer
   x = 91,017.90