Finding the Fourth Proportional to 35,559.32, 49,071.24 and 19,643.48

Step by Step Solution

1. Step 1: Write the proportion equation
   35,559.32 : 49,071.24 = 19,643.48 : x
2. Step 2: Convert to fraction form
   35,559.32/49,071.24 = 19,643.48/x
3. Step 3: Cross multiply
   35,559.32x = 49,071.24 × 19,643.48
4. Step 4: Simplify right side
   35,559.32x = 963,929,921.52
5. Step 5: Solve for x
   x = 963,929,921.52/35,559.32
6. Step 6: Final answer
   x = 27,107.66