Finding the Fourth Proportional to 56,693.34, 85,038.12 and 30,449.34

Step by Step Solution

1. Step 1: Write the proportion equation
   56,693.34 : 85,038.12 = 30,449.34 : x
2. Step 2: Convert to fraction form
   56,693.34/85,038.12 = 30,449.34/x
3. Step 3: Cross multiply
   56,693.34x = 85,038.12 × 30,449.34
4. Step 4: Simplify right side
   56,693.34x = 2,589,354,628.84
5. Step 5: Solve for x
   x = 2,589,354,628.84/56,693.34
6. Step 6: Final answer
   x = 45,672.99