Finding the Fourth Proportional to 13,775.67, 19,010.55 and 7,488.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,775.67 : 19,010.55 = 7,488.06 : x
2. Step 2: Convert to fraction form
   13,775.67/19,010.55 = 7,488.06/x
3. Step 3: Cross multiply
   13,775.67x = 19,010.55 × 7,488.06
4. Step 4: Simplify right side
   13,775.67x = 142,352,139.03
5. Step 5: Solve for x
   x = 142,352,139.03/13,775.67
6. Step 6: Final answer
   x = 10,333.59