Finding the Fourth Proportional to 13,801.13, 19,045.56 and 7,513.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,801.13 : 19,045.56 = 7,513.50 : x
2. Step 2: Convert to fraction form
   13,801.13/19,045.56 = 7,513.50/x
3. Step 3: Cross multiply
   13,801.13x = 19,045.56 × 7,513.50
4. Step 4: Simplify right side
   13,801.13x = 143,098,815.06
5. Step 5: Solve for x
   x = 143,098,815.06/13,801.13
6. Step 6: Final answer
   x = 10,368.63