Finding the Fourth Proportional to 13,813.56, 19,062.81 and 7,525.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,813.56 : 19,062.81 = 7,525.98 : x
2. Step 2: Convert to fraction form
   13,813.56/19,062.81 = 7,525.98/x
3. Step 3: Cross multiply
   13,813.56x = 19,062.81 × 7,525.98
4. Step 4: Simplify right side
   13,813.56x = 143,466,326.80
5. Step 5: Solve for x
   x = 143,466,326.80/13,813.56
6. Step 6: Final answer
   x = 10,385.91