Finding the Fourth Proportional to 13,815.47, 19,065.56 and 7,527.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,815.47 : 19,065.56 = 7,527.84 : x
2. Step 2: Convert to fraction form
   13,815.47/19,065.56 = 7,527.84/x
3. Step 3: Cross multiply
   13,815.47x = 19,065.56 × 7,527.84
4. Step 4: Simplify right side
   13,815.47x = 143,522,447.55
5. Step 5: Solve for x
   x = 143,522,447.55/13,815.47
6. Step 6: Final answer
   x = 10,388.54