Finding the Fourth Proportional to 111,874.09, 154,389.09 and 60,889.59

Step by Step Solution

1. Step 1: Write the proportion equation
   111,874.09 : 154,389.09 = 60,889.59 : x
2. Step 2: Convert to fraction form
   111,874.09/154,389.09 = 60,889.59/x
3. Step 3: Cross multiply
   111,874.09x = 154,389.09 × 60,889.59
4. Step 4: Simplify right side
   111,874.09x = 9,400,687,618.63
5. Step 5: Solve for x
   x = 9,400,687,618.63/111,874.09
6. Step 6: Final answer
   x = 84,029.18