Finding the Fourth Proportional to 35,754.61, 49,342.68 and 21,604.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,754.61 : 49,342.68 = 21,604.72 : x
2. Step 2: Convert to fraction form
   35,754.61/49,342.68 = 21,604.72/x
3. Step 3: Cross multiply
   35,754.61x = 49,342.68 × 21,604.72
4. Step 4: Simplify right side
   35,754.61x = 1,066,034,785.45
5. Step 5: Solve for x
   x = 1,066,034,785.45/35,754.61
6. Step 6: Final answer
   x = 29,815.31