Finding the Fourth Proportional to 105,820.23, 146,034.32 and 58,076.63

Step by Step Solution

1. Step 1: Write the proportion equation
   105,820.23 : 146,034.32 = 58,076.63 : x
2. Step 2: Convert to fraction form
   105,820.23/146,034.32 = 58,076.63/x
3. Step 3: Cross multiply
   105,820.23x = 146,034.32 × 58,076.63
4. Step 4: Simplify right side
   105,820.23x = 8,481,181,169.94
5. Step 5: Solve for x
   x = 8,481,181,169.94/105,820.23
6. Step 6: Final answer
   x = 80,147.07