Finding the Fourth Proportional to 118,770.47, 163,903.31 and 65,056.38

Step by Step Solution

1. Step 1: Write the proportion equation
   118,770.47 : 163,903.31 = 65,056.38 : x
2. Step 2: Convert to fraction form
   118,770.47/163,903.31 = 65,056.38/x
3. Step 3: Cross multiply
   118,770.47x = 163,903.31 × 65,056.38
4. Step 4: Simplify right side
   118,770.47x = 10,662,956,018.62
5. Step 5: Solve for x
   x = 10,662,956,018.62/118,770.47
6. Step 6: Final answer
   x = 89,777.84