Finding the Fourth Proportional to 13,056.25, 19,581.88 and 3,694.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,056.25 : 19,581.88 = 3,694.01 : x
2. Step 2: Convert to fraction form
   13,056.25/19,581.88 = 3,694.01/x
3. Step 3: Cross multiply
   13,056.25x = 19,581.88 × 3,694.01
4. Step 4: Simplify right side
   13,056.25x = 72,335,714.11
5. Step 5: Solve for x
   x = 72,335,714.11/13,056.25
6. Step 6: Final answer
   x = 5,540.31