Finding the Fourth Proportional to 111,443.76, 167,235.12 and 69,406.38

Step by Step Solution

1. Step 1: Write the proportion equation
   111,443.76 : 167,235.12 = 69,406.38 : x
2. Step 2: Convert to fraction form
   111,443.76/167,235.12 = 69,406.38/x
3. Step 3: Cross multiply
   111,443.76x = 167,235.12 × 69,406.38
4. Step 4: Simplify right side
   111,443.76x = 11,607,184,288.07
5. Step 5: Solve for x
   x = 11,607,184,288.07/111,443.76
6. Step 6: Final answer
   x = 104,152.84