Finding the Fourth Proportional to 7,820.82, 11,732.22 and 3,603.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,820.82 : 11,732.22 = 3,603.06 : x
2. Step 2: Convert to fraction form
   7,820.82/11,732.22 = 3,603.06/x
3. Step 3: Cross multiply
   7,820.82x = 11,732.22 × 3,603.06
4. Step 4: Simplify right side
   7,820.82x = 42,271,892.59
5. Step 5: Solve for x
   x = 42,271,892.59/7,820.82
6. Step 6: Final answer
   x = 5,405.05