Finding the Fourth Proportional to 65,146.56, 89,902.08 and 35,338.56

Step by Step Solution

1. Step 1: Write the proportion equation
   65,146.56 : 89,902.08 = 35,338.56 : x
2. Step 2: Convert to fraction form
   65,146.56/89,902.08 = 35,338.56/x
3. Step 3: Cross multiply
   65,146.56x = 89,902.08 × 35,338.56
4. Step 4: Simplify right side
   65,146.56x = 3,177,010,048.20
5. Step 5: Solve for x
   x = 3,177,010,048.20/65,146.56
6. Step 6: Final answer
   x = 48,767.12