Finding the Fourth Proportional to 118,463.43, 163,479.24 and 64,748.82

Step by Step Solution

1. Step 1: Write the proportion equation
   118,463.43 : 163,479.24 = 64,748.82 : x
2. Step 2: Convert to fraction form
   118,463.43/163,479.24 = 64,748.82/x
3. Step 3: Cross multiply
   118,463.43x = 163,479.24 × 64,748.82
4. Step 4: Simplify right side
   118,463.43x = 10,585,087,884.50
5. Step 5: Solve for x
   x = 10,585,087,884.50/118,463.43
6. Step 6: Final answer
   x = 89,353.21