Finding the Fourth Proportional to 78,042.72, 107,692.16 and 45,783.84

Step by Step Solution

1. Step 1: Write the proportion equation
   78,042.72 : 107,692.16 = 45,783.84 : x
2. Step 2: Convert to fraction form
   78,042.72/107,692.16 = 45,783.84/x
3. Step 3: Cross multiply
   78,042.72x = 107,692.16 × 45,783.84
4. Step 4: Simplify right side
   78,042.72x = 4,930,560,622.69
5. Step 5: Solve for x
   x = 4,930,560,622.69/78,042.72
6. Step 6: Final answer
   x = 63,177.71