Finding the Fourth Proportional to 342,945.59, 514,434.18 and 165,601.76

Step by Step Solution

1. Step 1: Write the proportion equation
   342,945.59 : 514,434.18 = 165,601.76 : x
2. Step 2: Convert to fraction form
   342,945.59/514,434.18 = 165,601.76/x
3. Step 3: Cross multiply
   342,945.59x = 514,434.18 × 165,601.76
4. Step 4: Simplify right side
   342,945.59x = 85,191,205,612.16
5. Step 5: Solve for x
   x = 85,191,205,612.16/342,945.59
6. Step 6: Final answer
   x = 248,410.27