Finding the Fourth Proportional to 3,500.51, 5,260.42 and 1,858.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,500.51 : 5,260.42 = 1,858.29 : x
2. Step 2: Convert to fraction form
   3,500.51/5,260.42 = 1,858.29/x
3. Step 3: Cross multiply
   3,500.51x = 5,260.42 × 1,858.29
4. Step 4: Simplify right side
   3,500.51x = 9,775,376.59
5. Step 5: Solve for x
   x = 9,775,376.59/3,500.51
6. Step 6: Final answer
   x = 2,792.56