Finding the Fourth Proportional to 111,982.63, 154,536.25 and 60,995.21

Step by Step Solution

1. Step 1: Write the proportion equation
   111,982.63 : 154,536.25 = 60,995.21 : x
2. Step 2: Convert to fraction form
   111,982.63/154,536.25 = 60,995.21/x
3. Step 3: Cross multiply
   111,982.63x = 154,536.25 × 60,995.21
4. Step 4: Simplify right side
   111,982.63x = 9,425,969,943.71
5. Step 5: Solve for x
   x = 9,425,969,943.71/111,982.63
6. Step 6: Final answer
   x = 84,173.50