Finding the Fourth Proportional to 185,061.80, 277,722.30 and 118,663.40

Step by Step Solution

1. Step 1: Write the proportion equation
   185,061.80 : 277,722.30 = 118,663.40 : x
2. Step 2: Convert to fraction form
   185,061.80/277,722.30 = 118,663.40/x
3. Step 3: Cross multiply
   185,061.80x = 277,722.30 × 118,663.40
4. Step 4: Simplify right side
   185,061.80x = 32,955,472,373.82
5. Step 5: Solve for x
   x = 32,955,472,373.82/185,061.80
6. Step 6: Final answer
   x = 178,078.20