Finding the Fourth Proportional to 118,787.22, 163,926.42 and 65,074.17

Step by Step Solution

1. Step 1: Write the proportion equation
   118,787.22 : 163,926.42 = 65,074.17 : x
2. Step 2: Convert to fraction form
   118,787.22/163,926.42 = 65,074.17/x
3. Step 3: Cross multiply
   118,787.22x = 163,926.42 × 65,074.17
4. Step 4: Simplify right side
   118,787.22x = 10,667,375,722.57
5. Step 5: Solve for x
   x = 10,667,375,722.57/118,787.22
6. Step 6: Final answer
   x = 89,802.39