Finding the Fourth Proportional to 2,824.29, 4,238.33 and 1,070.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,824.29 : 4,238.33 = 1,070.91 : x
2. Step 2: Convert to fraction form
   2,824.29/4,238.33 = 1,070.91/x
3. Step 3: Cross multiply
   2,824.29x = 4,238.33 × 1,070.91
4. Step 4: Simplify right side
   2,824.29x = 4,538,864.63
5. Step 5: Solve for x
   x = 4,538,864.63/2,824.29
6. Step 6: Final answer
   x = 1,607.08