Finding the Fourth Proportional to 10,272.94, 15,400.16 and 3,694.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,272.94 : 15,400.16 = 3,694.50 : x
2. Step 2: Convert to fraction form
   10,272.94/15,400.16 = 3,694.50/x
3. Step 3: Cross multiply
   10,272.94x = 15,400.16 × 3,694.50
4. Step 4: Simplify right side
   10,272.94x = 56,895,886.50
5. Step 5: Solve for x
   x = 56,895,886.50/10,272.94
6. Step 6: Final answer
   x = 5,538.42