Finding the Fourth Proportional to 111,858.59, 154,368.09 and 60,874.61

Step by Step Solution

1. Step 1: Write the proportion equation
   111,858.59 : 154,368.09 = 60,874.61 : x
2. Step 2: Convert to fraction form
   111,858.59/154,368.09 = 60,874.61/x
3. Step 3: Cross multiply
   111,858.59x = 154,368.09 × 60,874.61
4. Step 4: Simplify right side
   111,858.59x = 9,397,096,503.35
5. Step 5: Solve for x
   x = 9,397,096,503.35/111,858.59
6. Step 6: Final answer
   x = 84,008.71