Finding the Fourth Proportional to 7,056.56, 10,587.72 and 3,768.80

Step by Step Solution

1. Step 1: Write the proportion equation
   7,056.56 : 10,587.72 = 3,768.80 : x
2. Step 2: Convert to fraction form
   7,056.56/10,587.72 = 3,768.80/x
3. Step 3: Cross multiply
   7,056.56x = 10,587.72 × 3,768.80
4. Step 4: Simplify right side
   7,056.56x = 39,902,999.14
5. Step 5: Solve for x
   x = 39,902,999.14/7,056.56
6. Step 6: Final answer
   x = 5,654.74