Finding the Fourth Proportional to 27,200.98, 40,796.78 and 7,210.61

Step by Step Solution

1. Step 1: Write the proportion equation
   27,200.98 : 40,796.78 = 7,210.61 : x
2. Step 2: Convert to fraction form
   27,200.98/40,796.78 = 7,210.61/x
3. Step 3: Cross multiply
   27,200.98x = 40,796.78 × 7,210.61
4. Step 4: Simplify right side
   27,200.98x = 294,169,535.56
5. Step 5: Solve for x
   x = 294,169,535.56/27,200.98
6. Step 6: Final answer
   x = 10,814.67