Finding the Fourth Proportional to 111,364.27, 153,680.81 and 62,965.40

Step by Step Solution

1. Step 1: Write the proportion equation
   111,364.27 : 153,680.81 = 62,965.40 : x
2. Step 2: Convert to fraction form
   111,364.27/153,680.81 = 62,965.40/x
3. Step 3: Cross multiply
   111,364.27x = 153,680.81 × 62,965.40
4. Step 4: Simplify right side
   111,364.27x = 9,676,572,944.92
5. Step 5: Solve for x
   x = 9,676,572,944.92/111,364.27
6. Step 6: Final answer
   x = 86,891.18