Finding the Fourth Proportional to 6,740.76, 10,111.18 and 2,123.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,740.76 : 10,111.18 = 2,123.72 : x
2. Step 2: Convert to fraction form
   6,740.76/10,111.18 = 2,123.72/x
3. Step 3: Cross multiply
   6,740.76x = 10,111.18 × 2,123.72
4. Step 4: Simplify right side
   6,740.76x = 21,473,315.19
5. Step 5: Solve for x
   x = 21,473,315.19/6,740.76
6. Step 6: Final answer
   x = 3,185.59