Finding the Fourth Proportional to 105,973.36, 146,242.18 and 58,225.69

Step by Step Solution

1. Step 1: Write the proportion equation
   105,973.36 : 146,242.18 = 58,225.69 : x
2. Step 2: Convert to fraction form
   105,973.36/146,242.18 = 58,225.69/x
3. Step 3: Cross multiply
   105,973.36x = 146,242.18 × 58,225.69
4. Step 4: Simplify right side
   105,973.36x = 8,515,051,434.34
5. Step 5: Solve for x
   x = 8,515,051,434.34/105,973.36
6. Step 6: Final answer
   x = 80,350.87