Finding the Fourth Proportional to 35,580.96, 49,105.71 and 21,433.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,580.96 : 49,105.71 = 21,433.50 : x
2. Step 2: Convert to fraction form
   35,580.96/49,105.71 = 21,433.50/x
3. Step 3: Cross multiply
   35,580.96x = 49,105.71 × 21,433.50
4. Step 4: Simplify right side
   35,580.96x = 1,052,507,235.29
5. Step 5: Solve for x
   x = 1,052,507,235.29/35,580.96
6. Step 6: Final answer
   x = 29,580.63