Finding the Fourth Proportional to 106,016.93, 146,304.51 and 57,618.86

Step by Step Solution

1. Step 1: Write the proportion equation
   106,016.93 : 146,304.51 = 57,618.86 : x
2. Step 2: Convert to fraction form
   106,016.93/146,304.51 = 57,618.86/x
3. Step 3: Cross multiply
   106,016.93x = 146,304.51 × 57,618.86
4. Step 4: Simplify right side
   106,016.93x = 8,429,898,131.47
5. Step 5: Solve for x
   x = 8,429,898,131.47/106,016.93
6. Step 6: Final answer
   x = 79,514.64