Finding the Fourth Proportional to 111,480.48, 153,915.12 and 69,084

Step by Step Solution

1. Step 1: Write the proportion equation
   111,480.48 : 153,915.12 = 69,084 : x
2. Step 2: Convert to fraction form
   111,480.48/153,915.12 = 69,084/x
3. Step 3: Cross multiply
   111,480.48x = 153,915.12 × 69,084
4. Step 4: Simplify right side
   111,480.48x = 10,633,072,150.08
5. Step 5: Solve for x
   x = 10,633,072,150.08/111,480.48
6. Step 6: Final answer
   x = 95,380.57