Finding the Fourth Proportional to 56,146.13, 77,481.72 and 30,995.63

Step by Step Solution

1. Step 1: Write the proportion equation
   56,146.13 : 77,481.72 = 30,995.63 : x
2. Step 2: Convert to fraction form
   56,146.13/77,481.72 = 30,995.63/x
3. Step 3: Cross multiply
   56,146.13x = 77,481.72 × 30,995.63
4. Step 4: Simplify right side
   56,146.13x = 2,401,594,337.48
5. Step 5: Solve for x
   x = 2,401,594,337.48/56,146.13
6. Step 6: Final answer
   x = 42,774.00