Finding the Fourth Proportional to 118,015.25, 162,858.98 and 64,300.66

Step by Step Solution

1. Step 1: Write the proportion equation
   118,015.25 : 162,858.98 = 64,300.66 : x
2. Step 2: Convert to fraction form
   118,015.25/162,858.98 = 64,300.66/x
3. Step 3: Cross multiply
   118,015.25x = 162,858.98 × 64,300.66
4. Step 4: Simplify right side
   118,015.25x = 10,471,939,654.53
5. Step 5: Solve for x
   x = 10,471,939,654.53/118,015.25
6. Step 6: Final answer
   x = 88,733.78