Finding the Fourth Proportional to 13,787.45, 19,026.57 and 7,499.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,787.45 : 19,026.57 = 7,499.82 : x
2. Step 2: Convert to fraction form
   13,787.45/19,026.57 = 7,499.82/x
3. Step 3: Cross multiply
   13,787.45x = 19,026.57 × 7,499.82
4. Step 4: Simplify right side
   13,787.45x = 142,695,850.22
5. Step 5: Solve for x
   x = 142,695,850.22/13,787.45
6. Step 6: Final answer
   x = 10,349.69