Finding the Fourth Proportional to 118,773.72, 163,907.75 and 65,060.66

Step by Step Solution

1. Step 1: Write the proportion equation
   118,773.72 : 163,907.75 = 65,060.66 : x
2. Step 2: Convert to fraction form
   118,773.72/163,907.75 = 65,060.66/x
3. Step 3: Cross multiply
   118,773.72x = 163,907.75 × 65,060.66
4. Step 4: Simplify right side
   118,773.72x = 10,663,946,966.54
5. Step 5: Solve for x
   x = 10,663,946,966.54/118,773.72
6. Step 6: Final answer
   x = 89,783.72