Finding the Fourth Proportional to 35,454.69, 48,908.71 and 21,104.32

Step by Step Solution

1. Step 1: Write the proportion equation
   35,454.69 : 48,908.71 = 21,104.32 : x
2. Step 2: Convert to fraction form
   35,454.69/48,908.71 = 21,104.32/x
3. Step 3: Cross multiply
   35,454.69x = 48,908.71 × 21,104.32
4. Step 4: Simplify right side
   35,454.69x = 1,032,185,066.63
5. Step 5: Solve for x
   x = 1,032,185,066.63/35,454.69
6. Step 6: Final answer
   x = 29,112.79