Finding the Fourth Proportional to 111,036.12, 153,238.67 and 70,767.96

Step by Step Solution

1. Step 1: Write the proportion equation
   111,036.12 : 153,238.67 = 70,767.96 : x
2. Step 2: Convert to fraction form
   111,036.12/153,238.67 = 70,767.96/x
3. Step 3: Cross multiply
   111,036.12x = 153,238.67 × 70,767.96
4. Step 4: Simplify right side
   111,036.12x = 10,844,388,069.01
5. Step 5: Solve for x
   x = 10,844,388,069.01/111,036.12
6. Step 6: Final answer
   x = 97,665.41