Finding the Fourth Proportional to 42,101.44, 58,074.78 and 30,757.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,101.44 : 58,074.78 = 30,757.08 : x
2. Step 2: Convert to fraction form
   42,101.44/58,074.78 = 30,757.08/x
3. Step 3: Cross multiply
   42,101.44x = 58,074.78 × 30,757.08
4. Step 4: Simplify right side
   42,101.44x = 1,786,210,654.44
5. Step 5: Solve for x
   x = 1,786,210,654.44/42,101.44
6. Step 6: Final answer
   x = 42,426.36