Finding the Fourth Proportional to 13,801.15, 19,045.59 and 7,513.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,801.15 : 19,045.59 = 7,513.53 : x
2. Step 2: Convert to fraction form
   13,801.15/19,045.59 = 7,513.53/x
3. Step 3: Cross multiply
   13,801.15x = 19,045.59 × 7,513.53
4. Step 4: Simplify right side
   13,801.15x = 143,099,554.50
5. Step 5: Solve for x
   x = 143,099,554.50/13,801.15
6. Step 6: Final answer
   x = 10,368.67