Finding the Fourth Proportional to 13,815.06, 19,064.74 and 7,527.43

Step by Step Solution

1. Step 1: Write the proportion equation
   13,815.06 : 19,064.74 = 7,527.43 : x
2. Step 2: Convert to fraction form
   13,815.06/19,064.74 = 7,527.43/x
3. Step 3: Cross multiply
   13,815.06x = 19,064.74 × 7,527.43
4. Step 4: Simplify right side
   13,815.06x = 143,508,495.82
5. Step 5: Solve for x
   x = 143,508,495.82/13,815.06
6. Step 6: Final answer
   x = 10,387.83