Finding the Fourth Proportional to 295,196.10, 442,722.15 and 84,812.10

Step by Step Solution

1. Step 1: Write the proportion equation
   295,196.10 : 442,722.15 = 84,812.10 : x
2. Step 2: Convert to fraction form
   295,196.10/442,722.15 = 84,812.10/x
3. Step 3: Cross multiply
   295,196.10x = 442,722.15 × 84,812.10
4. Step 4: Simplify right side
   295,196.10x = 37,548,195,258.02
5. Step 5: Solve for x
   x = 37,548,195,258.02/295,196.10
6. Step 6: Final answer
   x = 127,197.46