Finding the Fourth Proportional to 93,298.79, 139,933.94 and 34,120.73

Step by Step Solution

1. Step 1: Write the proportion equation
   93,298.79 : 139,933.94 = 34,120.73 : x
2. Step 2: Convert to fraction form
   93,298.79/139,933.94 = 34,120.73/x
3. Step 3: Cross multiply
   93,298.79x = 139,933.94 × 34,120.73
4. Step 4: Simplify right side
   93,298.79x = 4,774,647,314.30
5. Step 5: Solve for x
   x = 4,774,647,314.30/93,298.79
6. Step 6: Final answer
   x = 51,175.88