Finding the Fourth Proportional to 11,113.14, 16,666.86 and 4,538.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,113.14 : 16,666.86 = 4,538.10 : x
2. Step 2: Convert to fraction form
   11,113.14/16,666.86 = 4,538.10/x
3. Step 3: Cross multiply
   11,113.14x = 16,666.86 × 4,538.10
4. Step 4: Simplify right side
   11,113.14x = 75,635,877.37
5. Step 5: Solve for x
   x = 75,635,877.37/11,113.14
6. Step 6: Final answer
   x = 6,805.99