Finding the Fourth Proportional to 2,070.83, 3,106.58 and 1,147.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.83 : 3,106.58 = 1,147.29 : x
2. Step 2: Convert to fraction form
   2,070.83/3,106.58 = 1,147.29/x
3. Step 3: Cross multiply
   2,070.83x = 3,106.58 × 1,147.29
4. Step 4: Simplify right side
   2,070.83x = 3,564,142.43
5. Step 5: Solve for x
   x = 3,564,142.43/2,070.83
6. Step 6: Final answer
   x = 1,721.12