Finding the Fourth Proportional to 19,298.18, 28,932.15 and 7,620.14

Step by Step Solution

1. Step 1: Write the proportion equation
   19,298.18 : 28,932.15 = 7,620.14 : x
2. Step 2: Convert to fraction form
   19,298.18/28,932.15 = 7,620.14/x
3. Step 3: Cross multiply
   19,298.18x = 28,932.15 × 7,620.14
4. Step 4: Simplify right side
   19,298.18x = 220,467,105.83
5. Step 5: Solve for x
   x = 220,467,105.83/19,298.18
6. Step 6: Final answer
   x = 11,424.24