Finding the Fourth Proportional to 98,196.94, 135,512.69 and 55,756.38

Step by Step Solution

1. Step 1: Write the proportion equation
   98,196.94 : 135,512.69 = 55,756.38 : x
2. Step 2: Convert to fraction form
   98,196.94/135,512.69 = 55,756.38/x
3. Step 3: Cross multiply
   98,196.94x = 135,512.69 × 55,756.38
4. Step 4: Simplify right side
   98,196.94x = 7,555,697,038.46
5. Step 5: Solve for x
   x = 7,555,697,038.46/98,196.94
6. Step 6: Final answer
   x = 76,944.32