Finding the Fourth Proportional to 270,583.43, 405,870.89 and 93,091.98

Step by Step Solution

1. Step 1: Write the proportion equation
   270,583.43 : 405,870.89 = 93,091.98 : x
2. Step 2: Convert to fraction form
   270,583.43/405,870.89 = 93,091.98/x
3. Step 3: Cross multiply
   270,583.43x = 405,870.89 × 93,091.98
4. Step 4: Simplify right side
   270,583.43x = 37,783,324,774.46
5. Step 5: Solve for x
   x = 37,783,324,774.46/270,583.43
6. Step 6: Final answer
   x = 139,636.51