Finding the Fourth Proportional to 56,687.34, 85,029.12 and 30,443.34

Step by Step Solution

1. Step 1: Write the proportion equation
   56,687.34 : 85,029.12 = 30,443.34 : x
2. Step 2: Convert to fraction form
   56,687.34/85,029.12 = 30,443.34/x
3. Step 3: Cross multiply
   56,687.34x = 85,029.12 × 30,443.34
4. Step 4: Simplify right side
   56,687.34x = 2,588,570,410.06
5. Step 5: Solve for x
   x = 2,588,570,410.06/56,687.34
6. Step 6: Final answer
   x = 45,663.99