Finding the Fourth Proportional to 65,496.50, 98,245.42 and 52,431.92

Step by Step Solution

1. Step 1: Write the proportion equation
   65,496.50 : 98,245.42 = 52,431.92 : x
2. Step 2: Convert to fraction form
   65,496.50/98,245.42 = 52,431.92/x
3. Step 3: Cross multiply
   65,496.50x = 98,245.42 × 52,431.92
4. Step 4: Simplify right side
   65,496.50x = 5,151,196,001.81
5. Step 5: Solve for x
   x = 5,151,196,001.81/65,496.50
6. Step 6: Final answer
   x = 78,648.42