Finding the Fourth Proportional to 56,018.22, 77,305.95 and 30,867.18

Step by Step Solution

1. Step 1: Write the proportion equation
   56,018.22 : 77,305.95 = 30,867.18 : x
2. Step 2: Convert to fraction form
   56,018.22/77,305.95 = 30,867.18/x
3. Step 3: Cross multiply
   56,018.22x = 77,305.95 × 30,867.18
4. Step 4: Simplify right side
   56,018.22x = 2,386,216,673.72
5. Step 5: Solve for x
   x = 2,386,216,673.72/56,018.22
6. Step 6: Final answer
   x = 42,597.15