Finding the Fourth Proportional to 103,494.49, 142,738.85 and 69,492.73

Step by Step Solution

1. Step 1: Write the proportion equation
   103,494.49 : 142,738.85 = 69,492.73 : x
2. Step 2: Convert to fraction form
   103,494.49/142,738.85 = 69,492.73/x
3. Step 3: Cross multiply
   103,494.49x = 142,738.85 × 69,492.73
4. Step 4: Simplify right side
   103,494.49x = 9,919,311,823.60
5. Step 5: Solve for x
   x = 9,919,311,823.60/103,494.49
6. Step 6: Final answer
   x = 95,843.87