Finding the Fourth Proportional to 56,116.94, 77,443.25 and 30,624.71

Step by Step Solution

1. Step 1: Write the proportion equation
   56,116.94 : 77,443.25 = 30,624.71 : x
2. Step 2: Convert to fraction form
   56,116.94/77,443.25 = 30,624.71/x
3. Step 3: Cross multiply
   56,116.94x = 77,443.25 × 30,624.71
4. Step 4: Simplify right side
   56,116.94x = 2,371,676,532.37
5. Step 5: Solve for x
   x = 2,371,676,532.37/56,116.94
6. Step 6: Final answer
   x = 42,263.12