Finding the Fourth Proportional to 11,116.89, 16,671.15 and 4,539.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,116.89 : 16,671.15 = 4,539.56 : x
2. Step 2: Convert to fraction form
   11,116.89/16,671.15 = 4,539.56/x
3. Step 3: Cross multiply
   11,116.89x = 16,671.15 × 4,539.56
4. Step 4: Simplify right side
   11,116.89x = 75,679,602.34
5. Step 5: Solve for x
   x = 75,679,602.34/11,116.89
6. Step 6: Final answer
   x = 6,807.62