Finding the Fourth Proportional to 118,554.27, 163,598.85 and 64,828.86

Step by Step Solution

1. Step 1: Write the proportion equation
   118,554.27 : 163,598.85 = 64,828.86 : x
2. Step 2: Convert to fraction form
   118,554.27/163,598.85 = 64,828.86/x
3. Step 3: Cross multiply
   118,554.27x = 163,598.85 × 64,828.86
4. Step 4: Simplify right side
   118,554.27x = 10,605,926,942.81
5. Step 5: Solve for x
   x = 10,605,926,942.81/118,554.27
6. Step 6: Final answer
   x = 89,460.52