Finding the Fourth Proportional to 111,763.62, 154,230.72 and 61,462.62

Step by Step Solution

1. Step 1: Write the proportion equation
   111,763.62 : 154,230.72 = 61,462.62 : x
2. Step 2: Convert to fraction form
   111,763.62/154,230.72 = 61,462.62/x
3. Step 3: Cross multiply
   111,763.62x = 154,230.72 × 61,462.62
4. Step 4: Simplify right side
   111,763.62x = 9,479,424,135.69
5. Step 5: Solve for x
   x = 9,479,424,135.69/111,763.62
6. Step 6: Final answer
   x = 84,816.72