Finding the Fourth Proportional to 30,895.32, 42,619.82 and 19,545.68

Step by Step Solution

1. Step 1: Write the proportion equation
   30,895.32 : 42,619.82 = 19,545.68 : x
2. Step 2: Convert to fraction form
   30,895.32/42,619.82 = 19,545.68/x
3. Step 3: Cross multiply
   30,895.32x = 42,619.82 × 19,545.68
4. Step 4: Simplify right side
   30,895.32x = 833,033,363.38
5. Step 5: Solve for x
   x = 833,033,363.38/30,895.32
6. Step 6: Final answer
   x = 26,963.09