Finding the Fourth Proportional to 13,997.46, 19,315.62 and 7,709.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,997.46 : 19,315.62 = 7,709.82 : x
2. Step 2: Convert to fraction form
   13,997.46/19,315.62 = 7,709.82/x
3. Step 3: Cross multiply
   13,997.46x = 19,315.62 × 7,709.82
4. Step 4: Simplify right side
   13,997.46x = 148,919,953.39
5. Step 5: Solve for x
   x = 148,919,953.39/13,997.46
6. Step 6: Final answer
   x = 10,639.07