Finding the Fourth Proportional to 64,048.52, 96,086.82 and 19,678.61

Step by Step Solution

1. Step 1: Write the proportion equation
   64,048.52 : 96,086.82 = 19,678.61 : x
2. Step 2: Convert to fraction form
   64,048.52/96,086.82 = 19,678.61/x
3. Step 3: Cross multiply
   64,048.52x = 96,086.82 × 19,678.61
4. Step 4: Simplify right side
   64,048.52x = 1,890,855,056.92
5. Step 5: Solve for x
   x = 1,890,855,056.92/64,048.52
6. Step 6: Final answer
   x = 29,522.23