Finding the Fourth Proportional to 30,816.14, 42,552.18 and 19,505.59

Step by Step Solution

1. Step 1: Write the proportion equation
   30,816.14 : 42,552.18 = 19,505.59 : x
2. Step 2: Convert to fraction form
   30,816.14/42,552.18 = 19,505.59/x
3. Step 3: Cross multiply
   30,816.14x = 42,552.18 × 19,505.59
4. Step 4: Simplify right side
   30,816.14x = 830,005,270.31
5. Step 5: Solve for x
   x = 830,005,270.31/30,816.14
6. Step 6: Final answer
   x = 26,934.11