Finding the Fourth Proportional to 8,488.86, 11,714.56 and 4,712.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,488.86 : 11,714.56 = 4,712.05 : x
2. Step 2: Convert to fraction form
   8,488.86/11,714.56 = 4,712.05/x
3. Step 3: Cross multiply
   8,488.86x = 11,714.56 × 4,712.05
4. Step 4: Simplify right side
   8,488.86x = 55,199,592.45
5. Step 5: Solve for x
   x = 55,199,592.45/8,488.86
6. Step 6: Final answer
   x = 6,502.59