Finding the Fourth Proportional to 13,143.94, 19,681.35 and 10,068.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,143.94 : 19,681.35 = 10,068.10 : x
2. Step 2: Convert to fraction form
   13,143.94/19,681.35 = 10,068.10/x
3. Step 3: Cross multiply
   13,143.94x = 19,681.35 × 10,068.10
4. Step 4: Simplify right side
   13,143.94x = 198,153,799.94
5. Step 5: Solve for x
   x = 198,153,799.94/13,143.94
6. Step 6: Final answer
   x = 15,075.68