Finding the Fourth Proportional to 8,205.30, 12,373.16 and 7,298.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,205.30 : 12,373.16 = 7,298.10 : x
2. Step 2: Convert to fraction form
   8,205.30/12,373.16 = 7,298.10/x
3. Step 3: Cross multiply
   8,205.30x = 12,373.16 × 7,298.10
4. Step 4: Simplify right side
   8,205.30x = 90,300,522.51
5. Step 5: Solve for x
   x = 90,300,522.51/8,205.30
6. Step 6: Final answer
   x = 11,005.15