Finding the Fourth Proportional to 105,820.84, 146,036.30 and 58,076.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,820.84 : 146,036.30 = 58,076.82 : x
2. Step 2: Convert to fraction form
   105,820.84/146,036.30 = 58,076.82/x
3. Step 3: Cross multiply
   105,820.84x = 146,036.30 × 58,076.82
4. Step 4: Simplify right side
   105,820.84x = 8,481,323,908.57
5. Step 5: Solve for x
   x = 8,481,323,908.57/105,820.84
6. Step 6: Final answer
   x = 80,147.95