Finding the Fourth Proportional to 93,321.54, 139,738.30 and 51,113.82

Step by Step Solution

1. Step 1: Write the proportion equation
   93,321.54 : 139,738.30 = 51,113.82 : x
2. Step 2: Convert to fraction form
   93,321.54/139,738.30 = 51,113.82/x
3. Step 3: Cross multiply
   93,321.54x = 139,738.30 × 51,113.82
4. Step 4: Simplify right side
   93,321.54x = 7,142,558,313.31
5. Step 5: Solve for x
   x = 7,142,558,313.31/93,321.54
6. Step 6: Final answer
   x = 76,537.08