Finding the Fourth Proportional to 42,101.19, 58,074.44 and 30,756.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,101.19 : 58,074.44 = 30,756.83 : x
2. Step 2: Convert to fraction form
   42,101.19/58,074.44 = 30,756.83/x
3. Step 3: Cross multiply
   42,101.19x = 58,074.44 × 30,756.83
4. Step 4: Simplify right side
   42,101.19x = 1,786,185,234.27
5. Step 5: Solve for x
   x = 1,786,185,234.27/42,101.19
6. Step 6: Final answer
   x = 42,426.00