Finding the Fourth Proportional to 109,519.34, 151,205.10 and 83,976.63

Step by Step Solution

1. Step 1: Write the proportion equation
   109,519.34 : 151,205.10 = 83,976.63 : x
2. Step 2: Convert to fraction form
   109,519.34/151,205.10 = 83,976.63/x
3. Step 3: Cross multiply
   109,519.34x = 151,205.10 × 83,976.63
4. Step 4: Simplify right side
   109,519.34x = 12,697,695,177.78
5. Step 5: Solve for x
   x = 12,697,695,177.78/109,519.34
6. Step 6: Final answer
   x = 115,940.21