Finding the Fourth Proportional to 106,196.39, 146,549.89 and 58,448.71

Step by Step Solution

1. Step 1: Write the proportion equation
   106,196.39 : 146,549.89 = 58,448.71 : x
2. Step 2: Convert to fraction form
   106,196.39/146,549.89 = 58,448.71/x
3. Step 3: Cross multiply
   106,196.39x = 146,549.89 × 58,448.71
4. Step 4: Simplify right side
   106,196.39x = 8,565,652,021.14
5. Step 5: Solve for x
   x = 8,565,652,021.14/106,196.39
6. Step 6: Final answer
   x = 80,658.60