Finding the Fourth Proportional to 103,958.30, 143,462.27 and 58,636.15

Step by Step Solution

1. Step 1: Write the proportion equation
   103,958.30 : 143,462.27 = 58,636.15 : x
2. Step 2: Convert to fraction form
   103,958.30/143,462.27 = 58,636.15/x
3. Step 3: Cross multiply
   103,958.30x = 143,462.27 × 58,636.15
4. Step 4: Simplify right side
   103,958.30x = 8,412,074,971.00
5. Step 5: Solve for x
   x = 8,412,074,971.00/103,958.30
6. Step 6: Final answer
   x = 80,917.78