Finding the Fourth Proportional to 109,838.42, 151,580.62 and 60,780.62

Step by Step Solution

1. Step 1: Write the proportion equation
   109,838.42 : 151,580.62 = 60,780.62 : x
2. Step 2: Convert to fraction form
   109,838.42/151,580.62 = 60,780.62/x
3. Step 3: Cross multiply
   109,838.42x = 151,580.62 × 60,780.62
4. Step 4: Simplify right side
   109,838.42x = 9,213,164,063.58
5. Step 5: Solve for x
   x = 9,213,164,063.58/109,838.42
6. Step 6: Final answer
   x = 83,879.25