Finding the Fourth Proportional to 8,779.86, 12,104.37 and 5,630.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,779.86 : 12,104.37 = 5,630.58 : x
2. Step 2: Convert to fraction form
   8,779.86/12,104.37 = 5,630.58/x
3. Step 3: Cross multiply
   8,779.86x = 12,104.37 × 5,630.58
4. Step 4: Simplify right side
   8,779.86x = 68,154,623.63
5. Step 5: Solve for x
   x = 68,154,623.63/8,779.86
6. Step 6: Final answer
   x = 7,762.61