Finding the Fourth Proportional to 13,087.69, 19,619.83 and 4,761.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,087.69 : 19,619.83 = 4,761.84 : x
2. Step 2: Convert to fraction form
   13,087.69/19,619.83 = 4,761.84/x
3. Step 3: Cross multiply
   13,087.69x = 19,619.83 × 4,761.84
4. Step 4: Simplify right side
   13,087.69x = 93,426,430.33
5. Step 5: Solve for x
   x = 93,426,430.33/13,087.69
6. Step 6: Final answer
   x = 7,138.50