Finding the Fourth Proportional to 56,443.43, 77,892.80 and 30,952.12

Step by Step Solution

1. Step 1: Write the proportion equation
   56,443.43 : 77,892.80 = 30,952.12 : x
2. Step 2: Convert to fraction form
   56,443.43/77,892.80 = 30,952.12/x
3. Step 3: Cross multiply
   56,443.43x = 77,892.80 × 30,952.12
4. Step 4: Simplify right side
   56,443.43x = 2,410,947,175.38
5. Step 5: Solve for x
   x = 2,410,947,175.38/56,443.43
6. Step 6: Final answer
   x = 42,714.40