Finding the Fourth Proportional to 57,709.84, 79,461.92 and 49,192.86

Step by Step Solution

1. Step 1: Write the proportion equation
   57,709.84 : 79,461.92 = 49,192.86 : x
2. Step 2: Convert to fraction form
   57,709.84/79,461.92 = 49,192.86/x
3. Step 3: Cross multiply
   57,709.84x = 79,461.92 × 49,192.86
4. Step 4: Simplify right side
   57,709.84x = 3,908,959,105.89
5. Step 5: Solve for x
   x = 3,908,959,105.89/57,709.84
6. Step 6: Final answer
   x = 67,734.71