Finding the Fourth Proportional to 111,881.84, 154,404.88 and 64,146.96

Step by Step Solution

1. Step 1: Write the proportion equation
   111,881.84 : 154,404.88 = 64,146.96 : x
2. Step 2: Convert to fraction form
   111,881.84/154,404.88 = 64,146.96/x
3. Step 3: Cross multiply
   111,881.84x = 154,404.88 × 64,146.96
4. Step 4: Simplify right side
   111,881.84x = 9,904,603,661.16
5. Step 5: Solve for x
   x = 9,904,603,661.16/111,881.84
6. Step 6: Final answer
   x = 88,527.36