Finding the Fourth Proportional to 3,501.02, 5,261.17 and 1,858.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,501.02 : 5,261.17 = 1,858.79 : x
2. Step 2: Convert to fraction form
   3,501.02/5,261.17 = 1,858.79/x
3. Step 3: Cross multiply
   3,501.02x = 5,261.17 × 1,858.79
4. Step 4: Simplify right side
   3,501.02x = 9,779,400.89
5. Step 5: Solve for x
   x = 9,779,400.89/3,501.02
6. Step 6: Final answer
   x = 2,793.30