Finding the Fourth Proportional to 35,559.81, 49,072.25 and 19,643.93

Step by Step Solution

1. Step 1: Write the proportion equation
   35,559.81 : 49,072.25 = 19,643.93 : x
2. Step 2: Convert to fraction form
   35,559.81/49,072.25 = 19,643.93/x
3. Step 3: Cross multiply
   35,559.81x = 49,072.25 × 19,643.93
4. Step 4: Simplify right side
   35,559.81x = 963,971,500.36
5. Step 5: Solve for x
   x = 963,971,500.36/35,559.81
6. Step 6: Final answer
   x = 27,108.45