Finding the Fourth Proportional to 35,583.96, 49,109.86 and 21,436.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,583.96 : 49,109.86 = 21,436.50 : x
2. Step 2: Convert to fraction form
   35,583.96/49,109.86 = 21,436.50/x
3. Step 3: Cross multiply
   35,583.96x = 49,109.86 × 21,436.50
4. Step 4: Simplify right side
   35,583.96x = 1,052,743,513.89
5. Step 5: Solve for x
   x = 1,052,743,513.89/35,583.96
6. Step 6: Final answer
   x = 29,584.78