Finding the Fourth Proportional to 2,531.35, 3,796.71 and 1,070.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.35 : 3,796.71 = 1,070.31 : x
2. Step 2: Convert to fraction form
   2,531.35/3,796.71 = 1,070.31/x
3. Step 3: Cross multiply
   2,531.35x = 3,796.71 × 1,070.31
4. Step 4: Simplify right side
   2,531.35x = 4,063,666.90
5. Step 5: Solve for x
   x = 4,063,666.90/2,531.35
6. Step 6: Final answer
   x = 1,605.34