Finding the Fourth Proportional to 8,300.51, 12,450.72 and 4,788.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.51 : 12,450.72 = 4,788.25 : x
2. Step 2: Convert to fraction form
   8,300.51/12,450.72 = 4,788.25/x
3. Step 3: Cross multiply
   8,300.51x = 12,450.72 × 4,788.25
4. Step 4: Simplify right side
   8,300.51x = 59,617,097.79
5. Step 5: Solve for x
   x = 59,617,097.79/8,300.51
6. Step 6: Final answer
   x = 7,182.34