Finding the Fourth Proportional to 56,018.08, 77,304.90 and 30,867.76

Step by Step Solution

1. Step 1: Write the proportion equation
   56,018.08 : 77,304.90 = 30,867.76 : x
2. Step 2: Convert to fraction form
   56,018.08/77,304.90 = 30,867.76/x
3. Step 3: Cross multiply
   56,018.08x = 77,304.90 × 30,867.76
4. Step 4: Simplify right side
   56,018.08x = 2,386,229,100.02
5. Step 5: Solve for x
   x = 2,386,229,100.02/56,018.08
6. Step 6: Final answer
   x = 42,597.48