Finding the Fourth Proportional to 118,239, 163,173.27 and 64,527.46

Step by Step Solution

1. Step 1: Write the proportion equation
   118,239 : 163,173.27 = 64,527.46 : x
2. Step 2: Convert to fraction form
   118,239/163,173.27 = 64,527.46/x
3. Step 3: Cross multiply
   118,239x = 163,173.27 × 64,527.46
4. Step 4: Simplify right side
   118,239x = 10,529,156,652.99
5. Step 5: Solve for x
   x = 10,529,156,652.99/118,239
6. Step 6: Final answer
   x = 89,049.78