Finding the Fourth Proportional to 21,429.94, 32,112.62 and 19,094.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,429.94 : 32,112.62 = 19,094.12 : x
2. Step 2: Convert to fraction form
   21,429.94/32,112.62 = 19,094.12/x
3. Step 3: Cross multiply
   21,429.94x = 32,112.62 × 19,094.12
4. Step 4: Simplify right side
   21,429.94x = 613,162,124.32
5. Step 5: Solve for x
   x = 613,162,124.32/21,429.94
6. Step 6: Final answer
   x = 28,612.41