Finding the Fourth Proportional to 3,690.05, 5,510.62 and 3,242.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,690.05 : 5,510.62 = 3,242.93 : x
2. Step 2: Convert to fraction form
   3,690.05/5,510.62 = 3,242.93/x
3. Step 3: Cross multiply
   3,690.05x = 5,510.62 × 3,242.93
4. Step 4: Simplify right side
   3,690.05x = 17,870,548.73
5. Step 5: Solve for x
   x = 17,870,548.73/3,690.05
6. Step 6: Final answer
   x = 4,842.90