Finding the Fourth Proportional to 105,251.04, 157,976.39 and 65,148.73

Step by Step Solution

1. Step 1: Write the proportion equation
   105,251.04 : 157,976.39 = 65,148.73 : x
2. Step 2: Convert to fraction form
   105,251.04/157,976.39 = 65,148.73/x
3. Step 3: Cross multiply
   105,251.04x = 157,976.39 × 65,148.73
4. Step 4: Simplify right side
   105,251.04x = 10,291,960,946.42
5. Step 5: Solve for x
   x = 10,291,960,946.42/105,251.04
6. Step 6: Final answer
   x = 97,784.89