Finding the Fourth Proportional to 49,114.72, 67,852.38 and 39,666.88

Step by Step Solution

1. Step 1: Write the proportion equation
   49,114.72 : 67,852.38 = 39,666.88 : x
2. Step 2: Convert to fraction form
   49,114.72/67,852.38 = 39,666.88/x
3. Step 3: Cross multiply
   49,114.72x = 67,852.38 × 39,666.88
4. Step 4: Simplify right side
   49,114.72x = 2,691,492,215.17
5. Step 5: Solve for x
   x = 2,691,492,215.17/49,114.72
6. Step 6: Final answer
   x = 54,800.11