Finding the Fourth Proportional to 2,680.88, 3,699.36 and 1,501.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680.88 : 3,699.36 = 1,501.92 : x
2. Step 2: Convert to fraction form
   2,680.88/3,699.36 = 1,501.92/x
3. Step 3: Cross multiply
   2,680.88x = 3,699.36 × 1,501.92
4. Step 4: Simplify right side
   2,680.88x = 5,556,142.77
5. Step 5: Solve for x
   x = 5,556,142.77/2,680.88
6. Step 6: Final answer
   x = 2,072.51