Finding the Fourth Proportional to 118,108.53, 162,994.88 and 64,396.62

Step by Step Solution

1. Step 1: Write the proportion equation
   118,108.53 : 162,994.88 = 64,396.62 : x
2. Step 2: Convert to fraction form
   118,108.53/162,994.88 = 64,396.62/x
3. Step 3: Cross multiply
   118,108.53x = 162,994.88 × 64,396.62
4. Step 4: Simplify right side
   118,108.53x = 10,496,319,510.30
5. Step 5: Solve for x
   x = 10,496,319,510.30/118,108.53
6. Step 6: Final answer
   x = 88,870.12