Finding the Fourth Proportional to 111,637.98, 154,022.31 and 69,181.02

Step by Step Solution

1. Step 1: Write the proportion equation
   111,637.98 : 154,022.31 = 69,181.02 : x
2. Step 2: Convert to fraction form
   111,637.98/154,022.31 = 69,181.02/x
3. Step 3: Cross multiply
   111,637.98x = 154,022.31 × 69,181.02
4. Step 4: Simplify right side
   111,637.98x = 10,655,420,508.56
5. Step 5: Solve for x
   x = 10,655,420,508.56/111,637.98
6. Step 6: Final answer
   x = 95,446.20