Finding the Fourth Proportional to 86,094.79, 118,921.04 and 65,828.59

Step by Step Solution

1. Step 1: Write the proportion equation
   86,094.79 : 118,921.04 = 65,828.59 : x
2. Step 2: Convert to fraction form
   86,094.79/118,921.04 = 65,828.59/x
3. Step 3: Cross multiply
   86,094.79x = 118,921.04 × 65,828.59
4. Step 4: Simplify right side
   86,094.79x = 7,828,404,055.39
5. Step 5: Solve for x
   x = 7,828,404,055.39/86,094.79
6. Step 6: Final answer
   x = 90,927.73