Finding the Fourth Proportional to 7,826.79, 10,801.01 and 4,290.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,826.79 : 10,801.01 = 4,290.02 : x
2. Step 2: Convert to fraction form
   7,826.79/10,801.01 = 4,290.02/x
3. Step 3: Cross multiply
   7,826.79x = 10,801.01 × 4,290.02
4. Step 4: Simplify right side
   7,826.79x = 46,336,582.77
5. Step 5: Solve for x
   x = 46,336,582.77/7,826.79
6. Step 6: Final answer
   x = 5,920.26