Finding the Fourth Proportional to 111,859.59, 154,369.47 and 60,875.61

Step by Step Solution

1. Step 1: Write the proportion equation
   111,859.59 : 154,369.47 = 60,875.61 : x
2. Step 2: Convert to fraction form
   111,859.59/154,369.47 = 60,875.61/x
3. Step 3: Cross multiply
   111,859.59x = 154,369.47 × 60,875.61
4. Step 4: Simplify right side
   111,859.59x = 9,397,335,651.63
5. Step 5: Solve for x
   x = 9,397,335,651.63/111,859.59
6. Step 6: Final answer
   x = 84,010.10