Finding the Fourth Proportional to 111,855.27, 154,366.93 and 64,111.71

Step by Step Solution

1. Step 1: Write the proportion equation
   111,855.27 : 154,366.93 = 64,111.71 : x
2. Step 2: Convert to fraction form
   111,855.27/154,366.93 = 64,111.71/x
3. Step 3: Cross multiply
   111,855.27x = 154,366.93 × 64,111.71
4. Step 4: Simplify right side
   111,855.27x = 9,896,727,849.75
5. Step 5: Solve for x
   x = 9,896,727,849.75/111,855.27
6. Step 6: Final answer
   x = 88,477.98