Finding the Fourth Proportional to 65,164.92, 89,881.21 and 59,804.67

Step by Step Solution

1. Step 1: Write the proportion equation
   65,164.92 : 89,881.21 = 59,804.67 : x
2. Step 2: Convert to fraction form
   65,164.92/89,881.21 = 59,804.67/x
3. Step 3: Cross multiply
   65,164.92x = 89,881.21 × 59,804.67
4. Step 4: Simplify right side
   65,164.92x = 5,375,316,103.25
5. Step 5: Solve for x
   x = 5,375,316,103.25/65,164.92
6. Step 6: Final answer
   x = 82,487.88