Finding the Fourth Proportional to 88,698.75, 122,404.28 and 60,453.78

Step by Step Solution

1. Step 1: Write the proportion equation
   88,698.75 : 122,404.28 = 60,453.78 : x
2. Step 2: Convert to fraction form
   88,698.75/122,404.28 = 60,453.78/x
3. Step 3: Cross multiply
   88,698.75x = 122,404.28 × 60,453.78
4. Step 4: Simplify right side
   88,698.75x = 7,399,801,111.91
5. Step 5: Solve for x
   x = 7,399,801,111.91/88,698.75
6. Step 6: Final answer
   x = 83,426.22