Finding the Fourth Proportional to 6,991.76, 10,470.26 and 4,061.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,991.76 : 10,470.26 = 4,061.18 : x
2. Step 2: Convert to fraction form
   6,991.76/10,470.26 = 4,061.18/x
3. Step 3: Cross multiply
   6,991.76x = 10,470.26 × 4,061.18
4. Step 4: Simplify right side
   6,991.76x = 42,521,610.51
5. Step 5: Solve for x
   x = 42,521,610.51/6,991.76
6. Step 6: Final answer
   x = 6,081.67