Finding the Fourth Proportional to 7,406.10, 11,111.00 and 5,219.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,406.10 : 11,111.00 = 5,219.10 : x
2. Step 2: Convert to fraction form
   7,406.10/11,111.00 = 5,219.10/x
3. Step 3: Cross multiply
   7,406.10x = 11,111.00 × 5,219.10
4. Step 4: Simplify right side
   7,406.10x = 57,989,394.00
5. Step 5: Solve for x
   x = 57,989,394.00/7,406.10
6. Step 6: Final answer
   x = 7,829.95