Finding the Fourth Proportional to 118,738.55, 163,851.69 and 65,024.21

Step by Step Solution

1. Step 1: Write the proportion equation
   118,738.55 : 163,851.69 = 65,024.21 : x
2. Step 2: Convert to fraction form
   118,738.55/163,851.69 = 65,024.21/x
3. Step 3: Cross multiply
   118,738.55x = 163,851.69 × 65,024.21
4. Step 4: Simplify right side
   118,738.55x = 10,654,327,352.88
5. Step 5: Solve for x
   x = 10,654,327,352.88/118,738.55
6. Step 6: Final answer
   x = 89,729.30