Finding the Fourth Proportional to 13,809.84, 19,057.95 and 7,522.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,809.84 : 19,057.95 = 7,522.62 : x
2. Step 2: Convert to fraction form
   13,809.84/19,057.95 = 7,522.62/x
3. Step 3: Cross multiply
   13,809.84x = 19,057.95 × 7,522.62
4. Step 4: Simplify right side
   13,809.84x = 143,365,715.83
5. Step 5: Solve for x
   x = 143,365,715.83/13,809.84
6. Step 6: Final answer
   x = 10,381.42