Finding the Fourth Proportional to 10,998.52, 16,501.14 and 3,501.64

Step by Step Solution

1. Step 1: Write the proportion equation
   10,998.52 : 16,501.14 = 3,501.64 : x
2. Step 2: Convert to fraction form
   10,998.52/16,501.14 = 3,501.64/x
3. Step 3: Cross multiply
   10,998.52x = 16,501.14 × 3,501.64
4. Step 4: Simplify right side
   10,998.52x = 57,781,051.87
5. Step 5: Solve for x
   x = 57,781,051.87/10,998.52
6. Step 6: Final answer
   x = 5,253.53