Finding the Fourth Proportional to 111,914.24, 154,451.04 and 61,622.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,914.24 : 154,451.04 = 61,622.72 : x
2. Step 2: Convert to fraction form
   111,914.24/154,451.04 = 61,622.72/x
3. Step 3: Cross multiply
   111,914.24x = 154,451.04 × 61,622.72
4. Step 4: Simplify right side
   111,914.24x = 9,517,693,191.63
5. Step 5: Solve for x
   x = 9,517,693,191.63/111,914.24
6. Step 6: Final answer
   x = 85,044.52