Finding the Fourth Proportional to 118,499.08, 163,528.82 and 64,783.24

Step by Step Solution

1. Step 1: Write the proportion equation
   118,499.08 : 163,528.82 = 64,783.24 : x
2. Step 2: Convert to fraction form
   118,499.08/163,528.82 = 64,783.24/x
3. Step 3: Cross multiply
   118,499.08x = 163,528.82 × 64,783.24
4. Step 4: Simplify right side
   118,499.08x = 10,593,926,792.98
5. Step 5: Solve for x
   x = 10,593,926,792.98/118,499.08
6. Step 6: Final answer
   x = 89,400.92