Finding the Fourth Proportional to 105,016, 157,596.96 and 42,686.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,016 : 157,596.96 = 42,686.56 : x
2. Step 2: Convert to fraction form
   105,016/157,596.96 = 42,686.56/x
3. Step 3: Cross multiply
   105,016x = 157,596.96 × 42,686.56
4. Step 4: Simplify right side
   105,016x = 6,727,272,088.86
5. Step 5: Solve for x
   x = 6,727,272,088.86/105,016
6. Step 6: Final answer
   x = 64,059.50