Finding the Fourth Proportional to 13,075.59, 19,611.32 and 10,868.60

Step by Step Solution

1. Step 1: Write the proportion equation
   13,075.59 : 19,611.32 = 10,868.60 : x
2. Step 2: Convert to fraction form
   13,075.59/19,611.32 = 10,868.60/x
3. Step 3: Cross multiply
   13,075.59x = 19,611.32 × 10,868.60
4. Step 4: Simplify right side
   13,075.59x = 213,147,440.15
5. Step 5: Solve for x
   x = 213,147,440.15/13,075.59
6. Step 6: Final answer
   x = 16,301.17