Finding the Fourth Proportional to 118,077.35, 162,944.28 and 64,361.88

Step by Step Solution

1. Step 1: Write the proportion equation
   118,077.35 : 162,944.28 = 64,361.88 : x
2. Step 2: Convert to fraction form
   118,077.35/162,944.28 = 64,361.88/x
3. Step 3: Cross multiply
   118,077.35x = 162,944.28 × 64,361.88
4. Step 4: Simplify right side
   118,077.35x = 10,487,400,196.05
5. Step 5: Solve for x
   x = 10,487,400,196.05/118,077.35
6. Step 6: Final answer
   x = 88,818.06