Finding the Fourth Proportional to 118,015.53, 162,863.30 and 64,300.53

Step by Step Solution

1. Step 1: Write the proportion equation
   118,015.53 : 162,863.30 = 64,300.53 : x
2. Step 2: Convert to fraction form
   118,015.53/162,863.30 = 64,300.53/x
3. Step 3: Cross multiply
   118,015.53x = 162,863.30 × 64,300.53
4. Step 4: Simplify right side
   118,015.53x = 10,472,196,186.05
5. Step 5: Solve for x
   x = 10,472,196,186.05/118,015.53
6. Step 6: Final answer
   x = 88,735.75