Finding the Fourth Proportional to 93,212.97, 139,558.89 and 50,364.89

Step by Step Solution

1. Step 1: Write the proportion equation
   93,212.97 : 139,558.89 = 50,364.89 : x
2. Step 2: Convert to fraction form
   93,212.97/139,558.89 = 50,364.89/x
3. Step 3: Cross multiply
   93,212.97x = 139,558.89 × 50,364.89
4. Step 4: Simplify right side
   93,212.97x = 7,028,867,445.58
5. Step 5: Solve for x
   x = 7,028,867,445.58/93,212.97
6. Step 6: Final answer
   x = 75,406.54