Finding the Fourth Proportional to 103,667.38, 143,061.58 and 58,346.26

Step by Step Solution

1. Step 1: Write the proportion equation
   103,667.38 : 143,061.58 = 58,346.26 : x
2. Step 2: Convert to fraction form
   103,667.38/143,061.58 = 58,346.26/x
3. Step 3: Cross multiply
   103,667.38x = 143,061.58 × 58,346.26
4. Step 4: Simplify right side
   103,667.38x = 8,347,108,142.69
5. Step 5: Solve for x
   x = 8,347,108,142.69/103,667.38
6. Step 6: Final answer
   x = 80,518.17