Finding the Fourth Proportional to 118,081.62, 176,339.75 and 103,773.78

Step by Step Solution

1. Step 1: Write the proportion equation
   118,081.62 : 176,339.75 = 103,773.78 : x
2. Step 2: Convert to fraction form
   118,081.62/176,339.75 = 103,773.78/x
3. Step 3: Cross multiply
   118,081.62x = 176,339.75 × 103,773.78
4. Step 4: Simplify right side
   118,081.62x = 18,299,441,902.89
5. Step 5: Solve for x
   x = 18,299,441,902.89/118,081.62
6. Step 6: Final answer
   x = 154,972.82