Finding the Fourth Proportional to 118,056.98, 162,913.89 and 64,340.84

Step by Step Solution

1. Step 1: Write the proportion equation
   118,056.98 : 162,913.89 = 64,340.84 : x
2. Step 2: Convert to fraction form
   118,056.98/162,913.89 = 64,340.84/x
3. Step 3: Cross multiply
   118,056.98x = 162,913.89 × 64,340.84
4. Step 4: Simplify right side
   118,056.98x = 10,482,016,615.85
5. Step 5: Solve for x
   x = 10,482,016,615.85/118,056.98
6. Step 6: Final answer
   x = 88,787.78