Finding the Fourth Proportional to 109,525.27, 151,116.15 and 64,178.91

Step by Step Solution

1. Step 1: Write the proportion equation
   109,525.27 : 151,116.15 = 64,178.91 : x
2. Step 2: Convert to fraction form
   109,525.27/151,116.15 = 64,178.91/x
3. Step 3: Cross multiply
   109,525.27x = 151,116.15 × 64,178.91
4. Step 4: Simplify right side
   109,525.27x = 9,698,469,034.82
5. Step 5: Solve for x
   x = 9,698,469,034.82/109,525.27
6. Step 6: Final answer
   x = 88,550.06