Finding the Fourth Proportional to 6,444.32, 8,892.72 and 3,611.60

Step by Step Solution

1. Step 1: Write the proportion equation
   6,444.32 : 8,892.72 = 3,611.60 : x
2. Step 2: Convert to fraction form
   6,444.32/8,892.72 = 3,611.60/x
3. Step 3: Cross multiply
   6,444.32x = 8,892.72 × 3,611.60
4. Step 4: Simplify right side
   6,444.32x = 32,116,947.55
5. Step 5: Solve for x
   x = 32,116,947.55/6,444.32
6. Step 6: Final answer
   x = 4,983.76