Finding the Fourth Proportional to 108,808.59, 163,095.15 and 45,663

Step by Step Solution

1. Step 1: Write the proportion equation
   108,808.59 : 163,095.15 = 45,663 : x
2. Step 2: Convert to fraction form
   108,808.59/163,095.15 = 45,663/x
3. Step 3: Cross multiply
   108,808.59x = 163,095.15 × 45,663
4. Step 4: Simplify right side
   108,808.59x = 7,447,413,834.45
5. Step 5: Solve for x
   x = 7,447,413,834.45/108,808.59
6. Step 6: Final answer
   x = 68,445.09