Finding the Fourth Proportional to 105,595.48, 145,725.41 and 57,848.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,595.48 : 145,725.41 = 57,848.82 : x
2. Step 2: Convert to fraction form
   105,595.48/145,725.41 = 57,848.82/x
3. Step 3: Cross multiply
   105,595.48x = 145,725.41 × 57,848.82
4. Step 4: Simplify right side
   105,595.48x = 8,430,043,012.52
5. Step 5: Solve for x
   x = 8,430,043,012.52/105,595.48
6. Step 6: Final answer
   x = 79,833.37