Finding the Fourth Proportional to 13,106.88, 19,665.59 and 4,787.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,106.88 : 19,665.59 = 4,787.46 : x
2. Step 2: Convert to fraction form
   13,106.88/19,665.59 = 4,787.46/x
3. Step 3: Cross multiply
   13,106.88x = 19,665.59 × 4,787.46
4. Step 4: Simplify right side
   13,106.88x = 94,148,201.56
5. Step 5: Solve for x
   x = 94,148,201.56/13,106.88
6. Step 6: Final answer
   x = 7,183.11