Finding the Fourth Proportional to 147,839.72, 204,055.26 and 84,215.03

Step by Step Solution

1. Step 1: Write the proportion equation
   147,839.72 : 204,055.26 = 84,215.03 : x
2. Step 2: Convert to fraction form
   147,839.72/204,055.26 = 84,215.03/x
3. Step 3: Cross multiply
   147,839.72x = 204,055.26 × 84,215.03
4. Step 4: Simplify right side
   147,839.72x = 17,184,519,903.30
5. Step 5: Solve for x
   x = 17,184,519,903.30/147,839.72
6. Step 6: Final answer
   x = 116,237.50