Finding the Fourth Proportional to 56,705.22, 78,253.29 and 31,554.18

Step by Step Solution

1. Step 1: Write the proportion equation
   56,705.22 : 78,253.29 = 31,554.18 : x
2. Step 2: Convert to fraction form
   56,705.22/78,253.29 = 31,554.18/x
3. Step 3: Cross multiply
   56,705.22x = 78,253.29 × 31,554.18
4. Step 4: Simplify right side
   56,705.22x = 2,469,218,398.25
5. Step 5: Solve for x
   x = 2,469,218,398.25/56,705.22
6. Step 6: Final answer
   x = 43,544.82