Finding the Fourth Proportional to 13,774.19, 19,008.50 and 7,486.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,774.19 : 19,008.50 = 7,486.56 : x
2. Step 2: Convert to fraction form
   13,774.19/19,008.50 = 7,486.56/x
3. Step 3: Cross multiply
   13,774.19x = 19,008.50 × 7,486.56
4. Step 4: Simplify right side
   13,774.19x = 142,308,275.76
5. Step 5: Solve for x
   x = 142,308,275.76/13,774.19
6. Step 6: Final answer
   x = 10,331.52