Finding the Fourth Proportional to 56,705.34, 78,243.61 and 34,056.82

Step by Step Solution

1. Step 1: Write the proportion equation
   56,705.34 : 78,243.61 = 34,056.82 : x
2. Step 2: Convert to fraction form
   56,705.34/78,243.61 = 34,056.82/x
3. Step 3: Cross multiply
   56,705.34x = 78,243.61 × 34,056.82
4. Step 4: Simplify right side
   56,705.34x = 2,664,728,541.92
5. Step 5: Solve for x
   x = 2,664,728,541.92/56,705.34
6. Step 6: Final answer
   x = 46,992.55