Finding the Fourth Proportional to 111,517.32, 153,923.40 and 69,051.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,517.32 : 153,923.40 = 69,051.72 : x
2. Step 2: Convert to fraction form
   111,517.32/153,923.40 = 69,051.72/x
3. Step 3: Cross multiply
   111,517.32x = 153,923.40 × 69,051.72
4. Step 4: Simplify right side
   111,517.32x = 10,628,675,518.25
5. Step 5: Solve for x
   x = 10,628,675,518.25/111,517.32
6. Step 6: Final answer
   x = 95,309.64