Finding the Fourth Proportional to 35,632.88, 49,165.56 and 21,290.55

Step by Step Solution

1. Step 1: Write the proportion equation
   35,632.88 : 49,165.56 = 21,290.55 : x
2. Step 2: Convert to fraction form
   35,632.88/49,165.56 = 21,290.55/x
3. Step 3: Cross multiply
   35,632.88x = 49,165.56 × 21,290.55
4. Step 4: Simplify right side
   35,632.88x = 1,046,761,997.83
5. Step 5: Solve for x
   x = 1,046,761,997.83/35,632.88
6. Step 6: Final answer
   x = 29,376.30