Finding the Fourth Proportional to 3,663.91, 5,054.98 and 2,070.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.91 : 5,054.98 = 2,070.34 : x
2. Step 2: Convert to fraction form
   3,663.91/5,054.98 = 2,070.34/x
3. Step 3: Cross multiply
   3,663.91x = 5,054.98 × 2,070.34
4. Step 4: Simplify right side
   3,663.91x = 10,465,527.29
5. Step 5: Solve for x
   x = 10,465,527.29/3,663.91
6. Step 6: Final answer
   x = 2,856.38