Finding the Fourth Proportional to 69,111.72, 103,662.64 and 26,983.91

Step by Step Solution

1. Step 1: Write the proportion equation
   69,111.72 : 103,662.64 = 26,983.91 : x
2. Step 2: Convert to fraction form
   69,111.72/103,662.64 = 26,983.91/x
3. Step 3: Cross multiply
   69,111.72x = 103,662.64 × 26,983.91
4. Step 4: Simplify right side
   69,111.72x = 2,797,223,348.12
5. Step 5: Solve for x
   x = 2,797,223,348.12/69,111.72
6. Step 6: Final answer
   x = 40,473.94