Finding the Fourth Proportional to 35,893.89, 49,535.33 and 21,748.05

Step by Step Solution

1. Step 1: Write the proportion equation
   35,893.89 : 49,535.33 = 21,748.05 : x
2. Step 2: Convert to fraction form
   35,893.89/49,535.33 = 21,748.05/x
3. Step 3: Cross multiply
   35,893.89x = 49,535.33 × 21,748.05
4. Step 4: Simplify right side
   35,893.89x = 1,077,296,724.87
5. Step 5: Solve for x
   x = 1,077,296,724.87/35,893.89
6. Step 6: Final answer
   x = 30,013.37