Finding the Fourth Proportional to 3,386.42, 5,080.10 and 1,046.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,386.42 : 5,080.10 = 1,046.61 : x
2. Step 2: Convert to fraction form
   3,386.42/5,080.10 = 1,046.61/x
3. Step 3: Cross multiply
   3,386.42x = 5,080.10 × 1,046.61
4. Step 4: Simplify right side
   3,386.42x = 5,316,878.23
5. Step 5: Solve for x
   x = 5,316,878.23/3,386.42
6. Step 6: Final answer
   x = 1,570.06