Finding the Fourth Proportional to 105,915.25, 146,176.01 and 61,203.25

Step by Step Solution

1. Step 1: Write the proportion equation
   105,915.25 : 146,176.01 = 61,203.25 : x
2. Step 2: Convert to fraction form
   105,915.25/146,176.01 = 61,203.25/x
3. Step 3: Cross multiply
   105,915.25x = 146,176.01 × 61,203.25
4. Step 4: Simplify right side
   105,915.25x = 8,946,446,884.03
5. Step 5: Solve for x
   x = 8,946,446,884.03/105,915.25
6. Step 6: Final answer
   x = 84,467.98