Finding the Fourth Proportional to 11,002.18, 16,505.26 and 3,607.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,002.18 : 16,505.26 = 3,607.02 : x
2. Step 2: Convert to fraction form
   11,002.18/16,505.26 = 3,607.02/x
3. Step 3: Cross multiply
   11,002.18x = 16,505.26 × 3,607.02
4. Step 4: Simplify right side
   11,002.18x = 59,534,802.93
5. Step 5: Solve for x
   x = 59,534,802.93/11,002.18
6. Step 6: Final answer
   x = 5,411.18