Finding the Fourth Proportional to 6,435.93, 8,881.61 and 3,603.43

Step by Step Solution

1. Step 1: Write the proportion equation
   6,435.93 : 8,881.61 = 3,603.43 : x
2. Step 2: Convert to fraction form
   6,435.93/8,881.61 = 3,603.43/x
3. Step 3: Cross multiply
   6,435.93x = 8,881.61 × 3,603.43
4. Step 4: Simplify right side
   6,435.93x = 32,004,219.70
5. Step 5: Solve for x
   x = 32,004,219.70/6,435.93
6. Step 6: Final answer
   x = 4,972.74