Finding the Fourth Proportional to 342,654.59, 514,016.30 and 117,985.29

Step by Step Solution

1. Step 1: Write the proportion equation
   342,654.59 : 514,016.30 = 117,985.29 : x
2. Step 2: Convert to fraction form
   342,654.59/514,016.30 = 117,985.29/x
3. Step 3: Cross multiply
   342,654.59x = 514,016.30 × 117,985.29
4. Step 4: Simplify right side
   342,654.59x = 60,646,361,630.30
5. Step 5: Solve for x
   x = 60,646,361,630.30/342,654.59
6. Step 6: Final answer
   x = 176,989.79