Finding the Fourth Proportional to 111,857.58, 154,364.12 and 60,870.71

Step by Step Solution

1. Step 1: Write the proportion equation
   111,857.58 : 154,364.12 = 60,870.71 : x
2. Step 2: Convert to fraction form
   111,857.58/154,364.12 = 60,870.71/x
3. Step 3: Cross multiply
   111,857.58x = 154,364.12 × 60,870.71
4. Step 4: Simplify right side
   111,857.58x = 9,396,252,506.75
5. Step 5: Solve for x
   x = 9,396,252,506.75/111,857.58
6. Step 6: Final answer
   x = 84,001.93