Finding the Fourth Proportional to 56,799.88, 78,383.86 and 32,940.38

Step by Step Solution

1. Step 1: Write the proportion equation
   56,799.88 : 78,383.86 = 32,940.38 : x
2. Step 2: Convert to fraction form
   56,799.88/78,383.86 = 32,940.38/x
3. Step 3: Cross multiply
   56,799.88x = 78,383.86 × 32,940.38
4. Step 4: Simplify right side
   56,799.88x = 2,581,994,134.27
5. Step 5: Solve for x
   x = 2,581,994,134.27/56,799.88
6. Step 6: Final answer
   x = 45,457.74