Finding the Fourth Proportional to 69,601.84, 104,401.86 and 17,011.78

Step by Step Solution

1. Step 1: Write the proportion equation
   69,601.84 : 104,401.86 = 17,011.78 : x
2. Step 2: Convert to fraction form
   69,601.84/104,401.86 = 17,011.78/x
3. Step 3: Cross multiply
   69,601.84x = 104,401.86 × 17,011.78
4. Step 4: Simplify right side
   69,601.84x = 1,776,061,473.91
5. Step 5: Solve for x
   x = 1,776,061,473.91/69,601.84
6. Step 6: Final answer
   x = 25,517.45