Finding the Fourth Proportional to 14,047.56, 19,384.92 and 7,758.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,047.56 : 19,384.92 = 7,758.72 : x
2. Step 2: Convert to fraction form
   14,047.56/19,384.92 = 7,758.72/x
3. Step 3: Cross multiply
   14,047.56x = 19,384.92 × 7,758.72
4. Step 4: Simplify right side
   14,047.56x = 150,402,166.50
5. Step 5: Solve for x
   x = 150,402,166.50/14,047.56
6. Step 6: Final answer
   x = 10,706.64