Finding the Fourth Proportional to 109,479.56, 151,081.72 and 59,178.56

Step by Step Solution

1. Step 1: Write the proportion equation
   109,479.56 : 151,081.72 = 59,178.56 : x
2. Step 2: Convert to fraction form
   109,479.56/151,081.72 = 59,178.56/x
3. Step 3: Cross multiply
   109,479.56x = 151,081.72 × 59,178.56
4. Step 4: Simplify right side
   109,479.56x = 8,940,797,580.62
5. Step 5: Solve for x
   x = 8,940,797,580.62/109,479.56
6. Step 6: Final answer
   x = 81,666.37