Finding the Fourth Proportional to 109,069.76, 150,513.72 and 61,322.96

Step by Step Solution

1. Step 1: Write the proportion equation
   109,069.76 : 150,513.72 = 61,322.96 : x
2. Step 2: Convert to fraction form
   109,069.76/150,513.72 = 61,322.96/x
3. Step 3: Cross multiply
   109,069.76x = 150,513.72 × 61,322.96
4. Step 4: Simplify right side
   109,069.76x = 9,229,946,831.01
5. Step 5: Solve for x
   x = 9,229,946,831.01/109,069.76
6. Step 6: Final answer
   x = 84,624.25