Finding the Fourth Proportional to 10,890.18, 16,333.32 and 2,885.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,890.18 : 16,333.32 = 2,885.01 : x
2. Step 2: Convert to fraction form
   10,890.18/16,333.32 = 2,885.01/x
3. Step 3: Cross multiply
   10,890.18x = 16,333.32 × 2,885.01
4. Step 4: Simplify right side
   10,890.18x = 47,121,741.10
5. Step 5: Solve for x
   x = 47,121,741.10/10,890.18
6. Step 6: Final answer
   x = 4,326.99