Finding the Fourth Proportional to 98,116.16, 135,401.72 and 55,104.96

Step by Step Solution

1. Step 1: Write the proportion equation
   98,116.16 : 135,401.72 = 55,104.96 : x
2. Step 2: Convert to fraction form
   98,116.16/135,401.72 = 55,104.96/x
3. Step 3: Cross multiply
   98,116.16x = 135,401.72 × 55,104.96
4. Step 4: Simplify right side
   98,116.16x = 7,461,305,581.25
5. Step 5: Solve for x
   x = 7,461,305,581.25/98,116.16
6. Step 6: Final answer
   x = 76,045.63