Finding the Fourth Proportional to 13,774.73, 19,010.30 and 7,807.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,774.73 : 19,010.30 = 7,807.46 : x
2. Step 2: Convert to fraction form
   13,774.73/19,010.30 = 7,807.46/x
3. Step 3: Cross multiply
   13,774.73x = 19,010.30 × 7,807.46
4. Step 4: Simplify right side
   13,774.73x = 148,422,022.75
5. Step 5: Solve for x
   x = 148,422,022.75/13,774.73
6. Step 6: Final answer
   x = 10,774.95