Finding the Fourth Proportional to 185,601.97, 256,131.39 and 100,719.01

Step by Step Solution

1. Step 1: Write the proportion equation
   185,601.97 : 256,131.39 = 100,719.01 : x
2. Step 2: Convert to fraction form
   185,601.97/256,131.39 = 100,719.01/x
3. Step 3: Cross multiply
   185,601.97x = 256,131.39 × 100,719.01
4. Step 4: Simplify right side
   185,601.97x = 25,797,300,030.72
5. Step 5: Solve for x
   x = 25,797,300,030.72/185,601.97
6. Step 6: Final answer
   x = 138,992.60