Finding the Fourth Proportional to 3,707.10, 5,561.46 and 1,858.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,707.10 : 5,561.46 = 1,858.14 : x
2. Step 2: Convert to fraction form
   3,707.10/5,561.46 = 1,858.14/x
3. Step 3: Cross multiply
   3,707.10x = 5,561.46 × 1,858.14
4. Step 4: Simplify right side
   3,707.10x = 10,333,971.28
5. Step 5: Solve for x
   x = 10,333,971.28/3,707.10
6. Step 6: Final answer
   x = 2,787.62