Finding the Fourth Proportional to 56,023.82, 77,311.88 and 30,530.41

Step by Step Solution

1. Step 1: Write the proportion equation
   56,023.82 : 77,311.88 = 30,530.41 : x
2. Step 2: Convert to fraction form
   56,023.82/77,311.88 = 30,530.41/x
3. Step 3: Cross multiply
   56,023.82x = 77,311.88 × 30,530.41
4. Step 4: Simplify right side
   56,023.82x = 2,360,363,394.27
5. Step 5: Solve for x
   x = 2,360,363,394.27/56,023.82
6. Step 6: Final answer
   x = 42,131.43