Finding the Fourth Proportional to 9,426.20, 13,010.85 and 7,550.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.20 : 13,010.85 = 7,550.84 : x
2. Step 2: Convert to fraction form
   9,426.20/13,010.85 = 7,550.84/x
3. Step 3: Cross multiply
   9,426.20x = 13,010.85 × 7,550.84
4. Step 4: Simplify right side
   9,426.20x = 98,242,781.56
5. Step 5: Solve for x
   x = 98,242,781.56/9,426.20
6. Step 6: Final answer
   x = 10,422.32