Finding the Fourth Proportional to 13,981.56, 19,293.82 and 7,692.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,981.56 : 19,293.82 = 7,692.72 : x
2. Step 2: Convert to fraction form
   13,981.56/19,293.82 = 7,692.72/x
3. Step 3: Cross multiply
   13,981.56x = 19,293.82 × 7,692.72
4. Step 4: Simplify right side
   13,981.56x = 148,421,954.99
5. Step 5: Solve for x
   x = 148,421,954.99/13,981.56
6. Step 6: Final answer
   x = 10,615.55