Finding the Fourth Proportional to 5,602.32, 7,734.42 and 3,880.80

Step by Step Solution

1. Step 1: Write the proportion equation
   5,602.32 : 7,734.42 = 3,880.80 : x
2. Step 2: Convert to fraction form
   5,602.32/7,734.42 = 3,880.80/x
3. Step 3: Cross multiply
   5,602.32x = 7,734.42 × 3,880.80
4. Step 4: Simplify right side
   5,602.32x = 30,015,737.14
5. Step 5: Solve for x
   x = 30,015,737.14/5,602.32
6. Step 6: Final answer
   x = 5,357.73