Finding the Fourth Proportional to 13,822.48, 19,074.90 and 7,534.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,822.48 : 19,074.90 = 7,534.72 : x
2. Step 2: Convert to fraction form
   13,822.48/19,074.90 = 7,534.72/x
3. Step 3: Cross multiply
   13,822.48x = 19,074.90 × 7,534.72
4. Step 4: Simplify right side
   13,822.48x = 143,724,030.53
5. Step 5: Solve for x
   x = 143,724,030.53/13,822.48
6. Step 6: Final answer
   x = 10,397.85