Finding the Fourth Proportional to 13,775.96, 19,010.88 and 7,488.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,775.96 : 19,010.88 = 7,488.32 : x
2. Step 2: Convert to fraction form
   13,775.96/19,010.88 = 7,488.32/x
3. Step 3: Cross multiply
   13,775.96x = 19,010.88 × 7,488.32
4. Step 4: Simplify right side
   13,775.96x = 142,359,552.92
5. Step 5: Solve for x
   x = 142,359,552.92/13,775.96
6. Step 6: Final answer
   x = 10,333.91