Finding the Fourth Proportional to 7,469.79, 10,307.91 and 4,111.95

Step by Step Solution

1. Step 1: Write the proportion equation
   7,469.79 : 10,307.91 = 4,111.95 : x
2. Step 2: Convert to fraction form
   7,469.79/10,307.91 = 4,111.95/x
3. Step 3: Cross multiply
   7,469.79x = 10,307.91 × 4,111.95
4. Step 4: Simplify right side
   7,469.79x = 42,385,558.98
5. Step 5: Solve for x
   x = 42,385,558.98/7,469.79
6. Step 6: Final answer
   x = 5,674.27