Finding the Fourth Proportional to 49,631.34, 74,448.18 and 12,695.34

Step by Step Solution

1. Step 1: Write the proportion equation
   49,631.34 : 74,448.18 = 12,695.34 : x
2. Step 2: Convert to fraction form
   49,631.34/74,448.18 = 12,695.34/x
3. Step 3: Cross multiply
   49,631.34x = 74,448.18 × 12,695.34
4. Step 4: Simplify right side
   49,631.34x = 945,144,957.48
5. Step 5: Solve for x
   x = 945,144,957.48/49,631.34
6. Step 6: Final answer
   x = 19,043.31