Finding the Fourth Proportional to 155,105.82, 232,659.72 and 84,946.86

Step by Step Solution

1. Step 1: Write the proportion equation
   155,105.82 : 232,659.72 = 84,946.86 : x
2. Step 2: Convert to fraction form
   155,105.82/232,659.72 = 84,946.86/x
3. Step 3: Cross multiply
   155,105.82x = 232,659.72 × 84,946.86
4. Step 4: Simplify right side
   155,105.82x = 19,763,712,662.48
5. Step 5: Solve for x
   x = 19,763,712,662.48/155,105.82
6. Step 6: Final answer
   x = 127,420.83