Finding the Fourth Proportional to 102,837.39, 141,914.61 and 57,514.83

Step by Step Solution

1. Step 1: Write the proportion equation
   102,837.39 : 141,914.61 = 57,514.83 : x
2. Step 2: Convert to fraction form
   102,837.39/141,914.61 = 57,514.83/x
3. Step 3: Cross multiply
   102,837.39x = 141,914.61 × 57,514.83
4. Step 4: Simplify right side
   102,837.39x = 8,162,194,668.67
5. Step 5: Solve for x
   x = 8,162,194,668.67/102,837.39
6. Step 6: Final answer
   x = 79,369.91