Finding the Fourth Proportional to 13,807.89, 19,054.71 and 7,520.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,807.89 : 19,054.71 = 7,520.27 : x
2. Step 2: Convert to fraction form
   13,807.89/19,054.71 = 7,520.27/x
3. Step 3: Cross multiply
   13,807.89x = 19,054.71 × 7,520.27
4. Step 4: Simplify right side
   13,807.89x = 143,296,468.70
5. Step 5: Solve for x
   x = 143,296,468.70/13,807.89
6. Step 6: Final answer
   x = 10,377.87