Finding the Fourth Proportional to 13,812.51, 19,061.28 and 7,524.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,812.51 : 19,061.28 = 7,524.89 : x
2. Step 2: Convert to fraction form
   13,812.51/19,061.28 = 7,524.89/x
3. Step 3: Cross multiply
   13,812.51x = 19,061.28 × 7,524.89
4. Step 4: Simplify right side
   13,812.51x = 143,433,902.33
5. Step 5: Solve for x
   x = 143,433,902.33/13,812.51
6. Step 6: Final answer
   x = 10,384.35