Finding the Fourth Proportional to 35,568.69, 49,077.69 and 21,422.45

Step by Step Solution

1. Step 1: Write the proportion equation
   35,568.69 : 49,077.69 = 21,422.45 : x
2. Step 2: Convert to fraction form
   35,568.69/49,077.69 = 21,422.45/x
3. Step 3: Cross multiply
   35,568.69x = 49,077.69 × 21,422.45
4. Step 4: Simplify right side
   35,568.69x = 1,051,364,114.75
5. Step 5: Solve for x
   x = 1,051,364,114.75/35,568.69
6. Step 6: Final answer
   x = 29,558.70