Finding the Fourth Proportional to 10,991.60, 16,483.69 and 3,594.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,991.60 : 16,483.69 = 3,594.32 : x
2. Step 2: Convert to fraction form
   10,991.60/16,483.69 = 3,594.32/x
3. Step 3: Cross multiply
   10,991.60x = 16,483.69 × 3,594.32
4. Step 4: Simplify right side
   10,991.60x = 59,247,656.64
5. Step 5: Solve for x
   x = 59,247,656.64/10,991.60
6. Step 6: Final answer
   x = 5,390.27