Finding the Fourth Proportional to 118,786.95, 163,926.05 and 65,073.92

Step by Step Solution

1. Step 1: Write the proportion equation
   118,786.95 : 163,926.05 = 65,073.92 : x
2. Step 2: Convert to fraction form
   118,786.95/163,926.05 = 65,073.92/x
3. Step 3: Cross multiply
   118,786.95x = 163,926.05 × 65,073.92
4. Step 4: Simplify right side
   118,786.95x = 10,667,309,518.62
5. Step 5: Solve for x
   x = 10,667,309,518.62/118,786.95
6. Step 6: Final answer
   x = 89,802.03