Finding the Fourth Proportional to 3,663.14, 5,055.50 and 2,091.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.14 : 5,055.50 = 2,091.47 : x
2. Step 2: Convert to fraction form
   3,663.14/5,055.50 = 2,091.47/x
3. Step 3: Cross multiply
   3,663.14x = 5,055.50 × 2,091.47
4. Step 4: Simplify right side
   3,663.14x = 10,573,416.13
5. Step 5: Solve for x
   x = 10,573,416.13/3,663.14
6. Step 6: Final answer
   x = 2,886.44