Finding the Fourth Proportional to 118,538.46, 163,582.98 and 64,823.46

Step by Step Solution

1. Step 1: Write the proportion equation
   118,538.46 : 163,582.98 = 64,823.46 : x
2. Step 2: Convert to fraction form
   118,538.46/163,582.98 = 64,823.46/x
3. Step 3: Cross multiply
   118,538.46x = 163,582.98 × 64,823.46
4. Step 4: Simplify right side
   118,538.46x = 10,604,014,436.59
5. Step 5: Solve for x
   x = 10,604,014,436.59/118,538.46
6. Step 6: Final answer
   x = 89,456.32