Finding the Fourth Proportional to 10,998.12, 16,499.16 and 3,602.97

Step by Step Solution

1. Step 1: Write the proportion equation
   10,998.12 : 16,499.16 = 3,602.97 : x
2. Step 2: Convert to fraction form
   10,998.12/16,499.16 = 3,602.97/x
3. Step 3: Cross multiply
   10,998.12x = 16,499.16 × 3,602.97
4. Step 4: Simplify right side
   10,998.12x = 59,445,978.51
5. Step 5: Solve for x
   x = 59,445,978.51/10,998.12
6. Step 6: Final answer
   x = 5,405.10