Finding the Fourth Proportional to 12,749.96, 19,089.46 and 9,620.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,749.96 : 19,089.46 = 9,620.52 : x
2. Step 2: Convert to fraction form
   12,749.96/19,089.46 = 9,620.52/x
3. Step 3: Cross multiply
   12,749.96x = 19,089.46 × 9,620.52
4. Step 4: Simplify right side
   12,749.96x = 183,650,531.72
5. Step 5: Solve for x
   x = 183,650,531.72/12,749.96
6. Step 6: Final answer
   x = 14,404.01