Finding the Fourth Proportional to 9,456.56, 14,193.59 and 4,779.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,456.56 : 14,193.59 = 4,779.86 : x
2. Step 2: Convert to fraction form
   9,456.56/14,193.59 = 4,779.86/x
3. Step 3: Cross multiply
   9,456.56x = 14,193.59 × 4,779.86
4. Step 4: Simplify right side
   9,456.56x = 67,843,373.10
5. Step 5: Solve for x
   x = 67,843,373.10/9,456.56
6. Step 6: Final answer
   x = 7,174.21