Finding the Fourth Proportional to 111,828.84, 154,327.49 and 64,091.34

Step by Step Solution

1. Step 1: Write the proportion equation
   111,828.84 : 154,327.49 = 64,091.34 : x
2. Step 2: Convert to fraction form
   111,828.84/154,327.49 = 64,091.34/x
3. Step 3: Cross multiply
   111,828.84x = 154,327.49 × 64,091.34
4. Step 4: Simplify right side
   111,828.84x = 9,891,055,632.94
5. Step 5: Solve for x
   x = 9,891,055,632.94/111,828.84
6. Step 6: Final answer
   x = 88,448.16