Finding the Fourth Proportional to 111,036.84, 153,195 and 67,971.48

Step by Step Solution

1. Step 1: Write the proportion equation
   111,036.84 : 153,195 = 67,971.48 : x
2. Step 2: Convert to fraction form
   111,036.84/153,195 = 67,971.48/x
3. Step 3: Cross multiply
   111,036.84x = 153,195 × 67,971.48
4. Step 4: Simplify right side
   111,036.84x = 10,412,890,878.60
5. Step 5: Solve for x
   x = 10,412,890,878.60/111,036.84
6. Step 6: Final answer
   x = 93,778.70