Finding the Fourth Proportional to 147,965, 204,199.88 and 84,290.60

Step by Step Solution

1. Step 1: Write the proportion equation
   147,965 : 204,199.88 = 84,290.60 : x
2. Step 2: Convert to fraction form
   147,965/204,199.88 = 84,290.60/x
3. Step 3: Cross multiply
   147,965x = 204,199.88 × 84,290.60
4. Step 4: Simplify right side
   147,965x = 17,212,130,405.13
5. Step 5: Solve for x
   x = 17,212,130,405.13/147,965
6. Step 6: Final answer
   x = 116,325.69