Finding the Fourth Proportional to 13,812.89, 19,061.79 and 7,525.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,812.89 : 19,061.79 = 7,525.27 : x
2. Step 2: Convert to fraction form
   13,812.89/19,061.79 = 7,525.27/x
3. Step 3: Cross multiply
   13,812.89x = 19,061.79 × 7,525.27
4. Step 4: Simplify right side
   13,812.89x = 143,445,068.78
5. Step 5: Solve for x
   x = 143,445,068.78/13,812.89
6. Step 6: Final answer
   x = 10,384.87