Finding the Fourth Proportional to 56,147.22, 77,483.52 and 30,996.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,147.22 : 77,483.52 = 30,996.72 : x
2. Step 2: Convert to fraction form
   56,147.22/77,483.52 = 30,996.72/x
3. Step 3: Cross multiply
   56,147.22x = 77,483.52 × 30,996.72
4. Step 4: Simplify right side
   56,147.22x = 2,401,734,974.05
5. Step 5: Solve for x
   x = 2,401,734,974.05/56,147.22
6. Step 6: Final answer
   x = 42,775.67