Finding the Fourth Proportional to 105,865.25, 146,094.30 and 57,467.34

Step by Step Solution

1. Step 1: Write the proportion equation
   105,865.25 : 146,094.30 = 57,467.34 : x
2. Step 2: Convert to fraction form
   105,865.25/146,094.30 = 57,467.34/x
3. Step 3: Cross multiply
   105,865.25x = 146,094.30 × 57,467.34
4. Step 4: Simplify right side
   105,865.25x = 8,395,650,810.16
5. Step 5: Solve for x
   x = 8,395,650,810.16/105,865.25
6. Step 6: Final answer
   x = 79,305.07