Finding the Fourth Proportional to 118,522.24, 163,563.60 and 64,809.52

Step by Step Solution

1. Step 1: Write the proportion equation
   118,522.24 : 163,563.60 = 64,809.52 : x
2. Step 2: Convert to fraction form
   118,522.24/163,563.60 = 64,809.52/x
3. Step 3: Cross multiply
   118,522.24x = 163,563.60 × 64,809.52
4. Step 4: Simplify right side
   118,522.24x = 10,600,478,405.47
5. Step 5: Solve for x
   x = 10,600,478,405.47/118,522.24
6. Step 6: Final answer
   x = 89,438.73