Finding the Fourth Proportional to 105,875.01, 146,107.80 and 58,131.45

Step by Step Solution

1. Step 1: Write the proportion equation
   105,875.01 : 146,107.80 = 58,131.45 : x
2. Step 2: Convert to fraction form
   105,875.01/146,107.80 = 58,131.45/x
3. Step 3: Cross multiply
   105,875.01x = 146,107.80 × 58,131.45
4. Step 4: Simplify right side
   105,875.01x = 8,493,458,270.31
5. Step 5: Solve for x
   x = 8,493,458,270.31/105,875.01
6. Step 6: Final answer
   x = 80,221.56