Finding the Fourth Proportional to 5,880.13, 8,111.69 and 4,284.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,880.13 : 8,111.69 = 4,284.30 : x
2. Step 2: Convert to fraction form
   5,880.13/8,111.69 = 4,284.30/x
3. Step 3: Cross multiply
   5,880.13x = 8,111.69 × 4,284.30
4. Step 4: Simplify right side
   5,880.13x = 34,752,913.47
5. Step 5: Solve for x
   x = 34,752,913.47/5,880.13
6. Step 6: Final answer
   x = 5,910.23