Finding the Fourth Proportional to 13,980.79, 19,294.37 and 7,693.17

Step by Step Solution

1. Step 1: Write the proportion equation
   13,980.79 : 19,294.37 = 7,693.17 : x
2. Step 2: Convert to fraction form
   13,980.79/19,294.37 = 7,693.17/x
3. Step 3: Cross multiply
   13,980.79x = 19,294.37 × 7,693.17
4. Step 4: Simplify right side
   13,980.79x = 148,434,868.45
5. Step 5: Solve for x
   x = 148,434,868.45/13,980.79
6. Step 6: Final answer
   x = 10,617.06