Finding the Fourth Proportional to 9,035.10, 12,454.02 and 7,620.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,035.10 : 12,454.02 = 7,620.84 : x
2. Step 2: Convert to fraction form
   9,035.10/12,454.02 = 7,620.84/x
3. Step 3: Cross multiply
   9,035.10x = 12,454.02 × 7,620.84
4. Step 4: Simplify right side
   9,035.10x = 94,910,093.78
5. Step 5: Solve for x
   x = 94,910,093.78/9,035.10
6. Step 6: Final answer
   x = 10,504.60