Finding the Fourth Proportional to 118,766.55, 163,897.86 and 65,053.49

Step by Step Solution

1. Step 1: Write the proportion equation
   118,766.55 : 163,897.86 = 65,053.49 : x
2. Step 2: Convert to fraction form
   118,766.55/163,897.86 = 65,053.49/x
3. Step 3: Cross multiply
   118,766.55x = 163,897.86 × 65,053.49
4. Step 4: Simplify right side
   118,766.55x = 10,662,126,651.77
5. Step 5: Solve for x
   x = 10,662,126,651.77/118,766.55
6. Step 6: Final answer
   x = 89,773.82