Finding the Fourth Proportional to 118,976.17, 164,191.71 and 65,263.45

Step by Step Solution

1. Step 1: Write the proportion equation
   118,976.17 : 164,191.71 = 65,263.45 : x
2. Step 2: Convert to fraction form
   118,976.17/164,191.71 = 65,263.45/x
3. Step 3: Cross multiply
   118,976.17x = 164,191.71 × 65,263.45
4. Step 4: Simplify right side
   118,976.17x = 10,715,717,456.00
5. Step 5: Solve for x
   x = 10,715,717,456.00/118,976.17
6. Step 6: Final answer
   x = 90,066.08