Finding the Fourth Proportional to 118,770.61, 163,903.48 and 65,056.52

Step by Step Solution

1. Step 1: Write the proportion equation
   118,770.61 : 163,903.48 = 65,056.52 : x
2. Step 2: Convert to fraction form
   118,770.61/163,903.48 = 65,056.52/x
3. Step 3: Cross multiply
   118,770.61x = 163,903.48 × 65,056.52
4. Step 4: Simplify right side
   118,770.61x = 10,662,990,024.69
5. Step 5: Solve for x
   x = 10,662,990,024.69/118,770.61
6. Step 6: Final answer
   x = 89,778.02