Finding the Fourth Proportional to 60,579.42, 90,872.76 and 19,026.42

Step by Step Solution

1. Step 1: Write the proportion equation
   60,579.42 : 90,872.76 = 19,026.42 : x
2. Step 2: Convert to fraction form
   60,579.42/90,872.76 = 19,026.42/x
3. Step 3: Cross multiply
   60,579.42x = 90,872.76 × 19,026.42
4. Step 4: Simplify right side
   60,579.42x = 1,728,983,298.32
5. Step 5: Solve for x
   x = 1,728,983,298.32/60,579.42
6. Step 6: Final answer
   x = 28,540.77