Finding the Fourth Proportional to 3,663.34, 5,055.14 and 2,091.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.34 : 5,055.14 = 2,091.12 : x
2. Step 2: Convert to fraction form
   3,663.34/5,055.14 = 2,091.12/x
3. Step 3: Cross multiply
   3,663.34x = 5,055.14 × 2,091.12
4. Step 4: Simplify right side
   3,663.34x = 10,570,904.36
5. Step 5: Solve for x
   x = 10,570,904.36/3,663.34
6. Step 6: Final answer
   x = 2,885.59