Finding the Fourth Proportional to 111,624.09, 154,002.51 and 71,361.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,624.09 : 154,002.51 = 71,361.42 : x
2. Step 2: Convert to fraction form
   111,624.09/154,002.51 = 71,361.42/x
3. Step 3: Cross multiply
   111,624.09x = 154,002.51 × 71,361.42
4. Step 4: Simplify right side
   111,624.09x = 10,989,837,797.16
5. Step 5: Solve for x
   x = 10,989,837,797.16/111,624.09
6. Step 6: Final answer
   x = 98,454.00