Finding the Fourth Proportional to 5,073.36, 7,611.52 and 1,786.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,073.36 : 7,611.52 = 1,786.72 : x
2. Step 2: Convert to fraction form
   5,073.36/7,611.52 = 1,786.72/x
3. Step 3: Cross multiply
   5,073.36x = 7,611.52 × 1,786.72
4. Step 4: Simplify right side
   5,073.36x = 13,599,655.01
5. Step 5: Solve for x
   x = 13,599,655.01/5,073.36
6. Step 6: Final answer
   x = 2,680.60