Finding the Fourth Proportional to 13,823.19, 19,075.91 and 7,535.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,823.19 : 19,075.91 = 7,535.61 : x
2. Step 2: Convert to fraction form
   13,823.19/19,075.91 = 7,535.61/x
3. Step 3: Cross multiply
   13,823.19x = 19,075.91 × 7,535.61
4. Step 4: Simplify right side
   13,823.19x = 143,748,580.48
5. Step 5: Solve for x
   x = 143,748,580.48/13,823.19
6. Step 6: Final answer
   x = 10,399.09