Finding the Fourth Proportional to 111,500.84, 153,848.89 and 67,864.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,500.84 : 153,848.89 = 67,864.16 : x
2. Step 2: Convert to fraction form
   111,500.84/153,848.89 = 67,864.16/x
3. Step 3: Cross multiply
   111,500.84x = 153,848.89 × 67,864.16
4. Step 4: Simplify right side
   111,500.84x = 10,440,825,686.78
5. Step 5: Solve for x
   x = 10,440,825,686.78/111,500.84
6. Step 6: Final answer
   x = 93,638.99