Finding the Fourth Proportional to 103,379.99, 142,667.82 and 58,065.96

Step by Step Solution

1. Step 1: Write the proportion equation
   103,379.99 : 142,667.82 = 58,065.96 : x
2. Step 2: Convert to fraction form
   103,379.99/142,667.82 = 58,065.96/x
3. Step 3: Cross multiply
   103,379.99x = 142,667.82 × 58,065.96
4. Step 4: Simplify right side
   103,379.99x = 8,284,143,929.41
5. Step 5: Solve for x
   x = 8,284,143,929.41/103,379.99
6. Step 6: Final answer
   x = 80,132.96