Finding the Fourth Proportional to 35,911, 49,562.94 and 21,004.12

Step by Step Solution

1. Step 1: Write the proportion equation
   35,911 : 49,562.94 = 21,004.12 : x
2. Step 2: Convert to fraction form
   35,911/49,562.94 = 21,004.12/x
3. Step 3: Cross multiply
   35,911x = 49,562.94 × 21,004.12
4. Step 4: Simplify right side
   35,911x = 1,041,025,939.31
5. Step 5: Solve for x
   x = 1,041,025,939.31/35,911
6. Step 6: Final answer
   x = 28,989.05