Finding the Fourth Proportional to 118,522.64, 163,554.56 and 64,797.68

Step by Step Solution

1. Step 1: Write the proportion equation
   118,522.64 : 163,554.56 = 64,797.68 : x
2. Step 2: Convert to fraction form
   118,522.64/163,554.56 = 64,797.68/x
3. Step 3: Cross multiply
   118,522.64x = 163,554.56 × 64,797.68
4. Step 4: Simplify right side
   118,522.64x = 10,597,956,041.42
5. Step 5: Solve for x
   x = 10,597,956,041.42/118,522.64
6. Step 6: Final answer
   x = 89,417.14