Finding the Fourth Proportional to 9,910.02, 14,861.58 and 2,888.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,910.02 : 14,861.58 = 2,888.10 : x
2. Step 2: Convert to fraction form
   9,910.02/14,861.58 = 2,888.10/x
3. Step 3: Cross multiply
   9,910.02x = 14,861.58 × 2,888.10
4. Step 4: Simplify right side
   9,910.02x = 42,921,729.20
5. Step 5: Solve for x
   x = 42,921,729.20/9,910.02
6. Step 6: Final answer
   x = 4,331.14