Finding the Fourth Proportional to 118,104.12, 162,983.52 and 64,389.06

Step by Step Solution

1. Step 1: Write the proportion equation
   118,104.12 : 162,983.52 = 64,389.06 : x
2. Step 2: Convert to fraction form
   118,104.12/162,983.52 = 64,389.06/x
3. Step 3: Cross multiply
   118,104.12x = 162,983.52 × 64,389.06
4. Step 4: Simplify right side
   118,104.12x = 10,494,355,648.29
5. Step 5: Solve for x
   x = 10,494,355,648.29/118,104.12
6. Step 6: Final answer
   x = 88,856.81