Finding the Fourth Proportional to 2,907.52, 4,342.40 and 2,518.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,907.52 : 4,342.40 = 2,518.72 : x
2. Step 2: Convert to fraction form
   2,907.52/4,342.40 = 2,518.72/x
3. Step 3: Cross multiply
   2,907.52x = 4,342.40 × 2,518.72
4. Step 4: Simplify right side
   2,907.52x = 10,937,289.73
5. Step 5: Solve for x
   x = 10,937,289.73/2,907.52
6. Step 6: Final answer
   x = 3,761.72