Finding the Fourth Proportional to 98,196.03, 135,504.50 and 57,911.49

Step by Step Solution

1. Step 1: Write the proportion equation
   98,196.03 : 135,504.50 = 57,911.49 : x
2. Step 2: Convert to fraction form
   98,196.03/135,504.50 = 57,911.49/x
3. Step 3: Cross multiply
   98,196.03x = 135,504.50 × 57,911.49
4. Step 4: Simplify right side
   98,196.03x = 7,847,267,207.15
5. Step 5: Solve for x
   x = 7,847,267,207.15/98,196.03
6. Step 6: Final answer
   x = 79,914.30