Finding the Fourth Proportional to 5,858.88, 8,782.18 and 3,637.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,858.88 : 8,782.18 = 3,637.72 : x
2. Step 2: Convert to fraction form
   5,858.88/8,782.18 = 3,637.72/x
3. Step 3: Cross multiply
   5,858.88x = 8,782.18 × 3,637.72
4. Step 4: Simplify right side
   5,858.88x = 31,947,111.83
5. Step 5: Solve for x
   x = 31,947,111.83/5,858.88
6. Step 6: Final answer
   x = 5,452.77