Finding the Fourth Proportional to 117,882, 162,677.16 and 64,890

Step by Step Solution

1. Step 1: Write the proportion equation
   117,882 : 162,677.16 = 64,890 : x
2. Step 2: Convert to fraction form
   117,882/162,677.16 = 64,890/x
3. Step 3: Cross multiply
   117,882x = 162,677.16 × 64,890
4. Step 4: Simplify right side
   117,882x = 10,556,120,912.40
5. Step 5: Solve for x
   x = 10,556,120,912.40/117,882
6. Step 6: Final answer
   x = 89,548.20