Finding the Fourth Proportional to 49,554.96, 68,357.04 and 30,678.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,554.96 : 68,357.04 = 30,678.72 : x
2. Step 2: Convert to fraction form
   49,554.96/68,357.04 = 30,678.72/x
3. Step 3: Cross multiply
   49,554.96x = 68,357.04 × 30,678.72
4. Step 4: Simplify right side
   49,554.96x = 2,097,106,490.19
5. Step 5: Solve for x
   x = 2,097,106,490.19/49,554.96
6. Step 6: Final answer
   x = 42,318.80