Finding the Fourth Proportional to 118,216.72, 177,373.86 and 65,563.48

Step by Step Solution

1. Step 1: Write the proportion equation
   118,216.72 : 177,373.86 = 65,563.48 : x
2. Step 2: Convert to fraction form
   118,216.72/177,373.86 = 65,563.48/x
3. Step 3: Cross multiply
   118,216.72x = 177,373.86 × 65,563.48
4. Step 4: Simplify right side
   118,216.72x = 11,629,247,522.63
5. Step 5: Solve for x
   x = 11,629,247,522.63/118,216.72
6. Step 6: Final answer
   x = 98,372.27