Finding the Fourth Proportional to 56,905.96, 78,522.98 and 31,756.52

Step by Step Solution

1. Step 1: Write the proportion equation
   56,905.96 : 78,522.98 = 31,756.52 : x
2. Step 2: Convert to fraction form
   56,905.96/78,522.98 = 31,756.52/x
3. Step 3: Cross multiply
   56,905.96x = 78,522.98 × 31,756.52
4. Step 4: Simplify right side
   56,905.96x = 2,493,616,584.83
5. Step 5: Solve for x
   x = 2,493,616,584.83/56,905.96
6. Step 6: Final answer
   x = 43,819.95