Finding the Fourth Proportional to 13,820.54, 19,072.29 and 7,532.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,820.54 : 19,072.29 = 7,532.91 : x
2. Step 2: Convert to fraction form
   13,820.54/19,072.29 = 7,532.91/x
3. Step 3: Cross multiply
   13,820.54x = 19,072.29 × 7,532.91
4. Step 4: Simplify right side
   13,820.54x = 143,669,872.31
5. Step 5: Solve for x
   x = 143,669,872.31/13,820.54
6. Step 6: Final answer
   x = 10,395.39