Finding the Fourth Proportional to 13,981.50, 19,294.61 and 7,694.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,981.50 : 19,294.61 = 7,694.01 : x
2. Step 2: Convert to fraction form
   13,981.50/19,294.61 = 7,694.01/x
3. Step 3: Cross multiply
   13,981.50x = 19,294.61 × 7,694.01
4. Step 4: Simplify right side
   13,981.50x = 148,452,883.82
5. Step 5: Solve for x
   x = 148,452,883.82/13,981.50
6. Step 6: Final answer
   x = 10,617.81