Finding the Fourth Proportional to 56,118.22, 77,443.59 and 30,624.79

Step by Step Solution

1. Step 1: Write the proportion equation
   56,118.22 : 77,443.59 = 30,624.79 : x
2. Step 2: Convert to fraction form
   56,118.22/77,443.59 = 30,624.79/x
3. Step 3: Cross multiply
   56,118.22x = 77,443.59 × 30,624.79
4. Step 4: Simplify right side
   56,118.22x = 2,371,693,293.38
5. Step 5: Solve for x
   x = 2,371,693,293.38/56,118.22
6. Step 6: Final answer
   x = 42,262.45