Finding the Fourth Proportional to 3,642.48, 5,026.86 and 2,070.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.48 : 5,026.86 = 2,070.72 : x
2. Step 2: Convert to fraction form
   3,642.48/5,026.86 = 2,070.72/x
3. Step 3: Cross multiply
   3,642.48x = 5,026.86 × 2,070.72
4. Step 4: Simplify right side
   3,642.48x = 10,409,219.54
5. Step 5: Solve for x
   x = 10,409,219.54/3,642.48
6. Step 6: Final answer
   x = 2,857.73