Finding the Fourth Proportional to 10,897.21, 16,346.40 and 3,501.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,897.21 : 16,346.40 = 3,501.10 : x
2. Step 2: Convert to fraction form
   10,897.21/16,346.40 = 3,501.10/x
3. Step 3: Cross multiply
   10,897.21x = 16,346.40 × 3,501.10
4. Step 4: Simplify right side
   10,897.21x = 57,230,381.04
5. Step 5: Solve for x
   x = 57,230,381.04/10,897.21
6. Step 6: Final answer
   x = 5,251.84