Finding the Fourth Proportional to 111,736.42, 154,196.86 and 65,798.05

Step by Step Solution

1. Step 1: Write the proportion equation
   111,736.42 : 154,196.86 = 65,798.05 : x
2. Step 2: Convert to fraction form
   111,736.42/154,196.86 = 65,798.05/x
3. Step 3: Cross multiply
   111,736.42x = 154,196.86 × 65,798.05
4. Step 4: Simplify right side
   111,736.42x = 10,145,852,704.12
5. Step 5: Solve for x
   x = 10,145,852,704.12/111,736.42
6. Step 6: Final answer
   x = 90,801.66