Finding the Fourth Proportional to 118,076.59, 162,947.38 and 64,361.60

Step by Step Solution

1. Step 1: Write the proportion equation
   118,076.59 : 162,947.38 = 64,361.60 : x
2. Step 2: Convert to fraction form
   118,076.59/162,947.38 = 64,361.60/x
3. Step 3: Cross multiply
   118,076.59x = 162,947.38 × 64,361.60
4. Step 4: Simplify right side
   118,076.59x = 10,487,554,349.37
5. Step 5: Solve for x
   x = 10,487,554,349.37/118,076.59
6. Step 6: Final answer
   x = 88,819.93