Finding the Fourth Proportional to 11,002.74, 16,507.16 and 3,612.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,002.74 : 16,507.16 = 3,612.40 : x
2. Step 2: Convert to fraction form
   11,002.74/16,507.16 = 3,612.40/x
3. Step 3: Cross multiply
   11,002.74x = 16,507.16 × 3,612.40
4. Step 4: Simplify right side
   11,002.74x = 59,630,419.00
5. Step 5: Solve for x
   x = 59,630,419.00/11,002.74
6. Step 6: Final answer
   x = 5,419.60