Finding the Fourth Proportional to 56,770.22, 78,342.78 and 32,910.68

Step by Step Solution

1. Step 1: Write the proportion equation
   56,770.22 : 78,342.78 = 32,910.68 : x
2. Step 2: Convert to fraction form
   56,770.22/78,342.78 = 32,910.68/x
3. Step 3: Cross multiply
   56,770.22x = 78,342.78 × 32,910.68
4. Step 4: Simplify right side
   56,770.22x = 2,578,314,162.89
5. Step 5: Solve for x
   x = 2,578,314,162.89/56,770.22
6. Step 6: Final answer
   x = 45,416.67