Finding the Fourth Proportional to 118,729.76, 163,847.34 and 64,282.52

Step by Step Solution

1. Step 1: Write the proportion equation
   118,729.76 : 163,847.34 = 64,282.52 : x
2. Step 2: Convert to fraction form
   118,729.76/163,847.34 = 64,282.52/x
3. Step 3: Cross multiply
   118,729.76x = 163,847.34 × 64,282.52
4. Step 4: Simplify right side
   118,729.76x = 10,532,519,910.50
5. Step 5: Solve for x
   x = 10,532,519,910.50/118,729.76
6. Step 6: Final answer
   x = 88,710.02