Finding the Fourth Proportional to 14,140.72, 19,510.68 and 7,851.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,140.72 : 19,510.68 = 7,851.52 : x
2. Step 2: Convert to fraction form
   14,140.72/19,510.68 = 7,851.52/x
3. Step 3: Cross multiply
   14,140.72x = 19,510.68 × 7,851.52
4. Step 4: Simplify right side
   14,140.72x = 153,188,494.23
5. Step 5: Solve for x
   x = 153,188,494.23/14,140.72
6. Step 6: Final answer
   x = 10,833.15