Finding the Fourth Proportional to 118,111.35, 162,994.40 and 64,397.27

Step by Step Solution

1. Step 1: Write the proportion equation
   118,111.35 : 162,994.40 = 64,397.27 : x
2. Step 2: Convert to fraction form
   118,111.35/162,994.40 = 64,397.27/x
3. Step 3: Cross multiply
   118,111.35x = 162,994.40 × 64,397.27
4. Step 4: Simplify right side
   118,111.35x = 10,496,393,248.33
5. Step 5: Solve for x
   x = 10,496,393,248.33/118,111.35
6. Step 6: Final answer
   x = 88,868.62