Finding the Fourth Proportional to 9,899.72, 14,854.44 and 4,058

Step by Step Solution

1. Step 1: Write the proportion equation
   9,899.72 : 14,854.44 = 4,058 : x
2. Step 2: Convert to fraction form
   9,899.72/14,854.44 = 4,058/x
3. Step 3: Cross multiply
   9,899.72x = 14,854.44 × 4,058
4. Step 4: Simplify right side
   9,899.72x = 60,279,317.52
5. Step 5: Solve for x
   x = 60,279,317.52/9,899.72
6. Step 6: Final answer
   x = 6,088.99