Finding the Fourth Proportional to 118,363.51, 163,345.22 and 64,651.42

Step by Step Solution

1. Step 1: Write the proportion equation
   118,363.51 : 163,345.22 = 64,651.42 : x
2. Step 2: Convert to fraction form
   118,363.51/163,345.22 = 64,651.42/x
3. Step 3: Cross multiply
   118,363.51x = 163,345.22 × 64,651.42
4. Step 4: Simplify right side
   118,363.51x = 10,560,500,423.21
5. Step 5: Solve for x
   x = 10,560,500,423.21/118,363.51
6. Step 6: Final answer
   x = 89,220.91