Finding the Fourth Proportional to 13,775.72, 19,010.52 and 7,488.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,775.72 : 19,010.52 = 7,488.08 : x
2. Step 2: Convert to fraction form
   13,775.72/19,010.52 = 7,488.08/x
3. Step 3: Cross multiply
   13,775.72x = 19,010.52 × 7,488.08
4. Step 4: Simplify right side
   13,775.72x = 142,352,294.60
5. Step 5: Solve for x
   x = 142,352,294.60/13,775.72
6. Step 6: Final answer
   x = 10,333.56