Finding the Fourth Proportional to 13,802.94, 19,048.06 and 7,515.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,802.94 : 19,048.06 = 7,515.31 : x
2. Step 2: Convert to fraction form
   13,802.94/19,048.06 = 7,515.31/x
3. Step 3: Cross multiply
   13,802.94x = 19,048.06 × 7,515.31
4. Step 4: Simplify right side
   13,802.94x = 143,152,075.80
5. Step 5: Solve for x
   x = 143,152,075.80/13,802.94
6. Step 6: Final answer
   x = 10,371.13