Finding the Fourth Proportional to 5,234.59, 7,841.86 and 5,058.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,234.59 : 7,841.86 = 5,058.72 : x
2. Step 2: Convert to fraction form
   5,234.59/7,841.86 = 5,058.72/x
3. Step 3: Cross multiply
   5,234.59x = 7,841.86 × 5,058.72
4. Step 4: Simplify right side
   5,234.59x = 39,669,774.02
5. Step 5: Solve for x
   x = 39,669,774.02/5,234.59
6. Step 6: Final answer
   x = 7,578.39