Finding the Fourth Proportional to 13,981.86, 19,294.52 and 7,694.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,981.86 : 19,294.52 = 7,694.22 : x
2. Step 2: Convert to fraction form
   13,981.86/19,294.52 = 7,694.22/x
3. Step 3: Cross multiply
   13,981.86x = 19,294.52 × 7,694.22
4. Step 4: Simplify right side
   13,981.86x = 148,456,281.67
5. Step 5: Solve for x
   x = 148,456,281.67/13,981.86
6. Step 6: Final answer
   x = 10,617.78