Finding the Fourth Proportional to 13,812.86, 19,061.72 and 7,525.23

Step by Step Solution

1. Step 1: Write the proportion equation
   13,812.86 : 19,061.72 = 7,525.23 : x
2. Step 2: Convert to fraction form
   13,812.86/19,061.72 = 7,525.23/x
3. Step 3: Cross multiply
   13,812.86x = 19,061.72 × 7,525.23
4. Step 4: Simplify right side
   13,812.86x = 143,443,789.57
5. Step 5: Solve for x
   x = 143,443,789.57/13,812.86
6. Step 6: Final answer
   x = 10,384.80