Finding the Fourth Proportional to 10,570.34, 14,587.90 and 5,855.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,570.34 : 14,587.90 = 5,855.06 : x
2. Step 2: Convert to fraction form
   10,570.34/14,587.90 = 5,855.06/x
3. Step 3: Cross multiply
   10,570.34x = 14,587.90 × 5,855.06
4. Step 4: Simplify right side
   10,570.34x = 85,413,029.77
5. Step 5: Solve for x
   x = 85,413,029.77/10,570.34
6. Step 6: Final answer
   x = 8,080.44