Finding the Fourth Proportional to 56,214.14, 77,574.56 and 30,719.94

Step by Step Solution

1. Step 1: Write the proportion equation
   56,214.14 : 77,574.56 = 30,719.94 : x
2. Step 2: Convert to fraction form
   56,214.14/77,574.56 = 30,719.94/x
3. Step 3: Cross multiply
   56,214.14x = 77,574.56 × 30,719.94
4. Step 4: Simplify right side
   56,214.14x = 2,383,085,828.73
5. Step 5: Solve for x
   x = 2,383,085,828.73/56,214.14
6. Step 6: Final answer
   x = 42,393.00