Finding the Fourth Proportional to 13,086.87, 19,632.15 and 4,765.35

Step by Step Solution

1. Step 1: Write the proportion equation
   13,086.87 : 19,632.15 = 4,765.35 : x
2. Step 2: Convert to fraction form
   13,086.87/19,632.15 = 4,765.35/x
3. Step 3: Cross multiply
   13,086.87x = 19,632.15 × 4,765.35
4. Step 4: Simplify right side
   13,086.87x = 93,554,066.00
5. Step 5: Solve for x
   x = 93,554,066.00/13,086.87
6. Step 6: Final answer
   x = 7,148.70