Finding the Fourth Proportional to 7,890.25, 10,888.61 and 4,353.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,890.25 : 10,888.61 = 4,353.59 : x
2. Step 2: Convert to fraction form
   7,890.25/10,888.61 = 4,353.59/x
3. Step 3: Cross multiply
   7,890.25x = 10,888.61 × 4,353.59
4. Step 4: Simplify right side
   7,890.25x = 47,404,543.61
5. Step 5: Solve for x
   x = 47,404,543.61/7,890.25
6. Step 6: Final answer
   x = 6,007.99