Finding the Fourth Proportional to 13,866.84, 19,136.52 and 7,579.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,866.84 : 19,136.52 = 7,579.62 : x
2. Step 2: Convert to fraction form
   13,866.84/19,136.52 = 7,579.62/x
3. Step 3: Cross multiply
   13,866.84x = 19,136.52 × 7,579.62
4. Step 4: Simplify right side
   13,866.84x = 145,047,549.72
5. Step 5: Solve for x
   x = 145,047,549.72/13,866.84
6. Step 6: Final answer
   x = 10,460.03