Finding the Fourth Proportional to 111,792.98, 154,273.56 and 63,404.12

Step by Step Solution

1. Step 1: Write the proportion equation
   111,792.98 : 154,273.56 = 63,404.12 : x
2. Step 2: Convert to fraction form
   111,792.98/154,273.56 = 63,404.12/x
3. Step 3: Cross multiply
   111,792.98x = 154,273.56 × 63,404.12
4. Step 4: Simplify right side
   111,792.98x = 9,781,579,311.07
5. Step 5: Solve for x
   x = 9,781,579,311.07/111,792.98
6. Step 6: Final answer
   x = 87,497.26