Finding the Fourth Proportional to 56,847.09, 78,449.52 and 31,354.43

Step by Step Solution

1. Step 1: Write the proportion equation
   56,847.09 : 78,449.52 = 31,354.43 : x
2. Step 2: Convert to fraction form
   56,847.09/78,449.52 = 31,354.43/x
3. Step 3: Cross multiply
   56,847.09x = 78,449.52 × 31,354.43
4. Step 4: Simplify right side
   56,847.09x = 2,459,739,983.37
5. Step 5: Solve for x
   x = 2,459,739,983.37/56,847.09
6. Step 6: Final answer
   x = 43,269.41