Finding the Fourth Proportional to 231,513.59, 347,283.83 and 89,359.67

Step by Step Solution

1. Step 1: Write the proportion equation
   231,513.59 : 347,283.83 = 89,359.67 : x
2. Step 2: Convert to fraction form
   231,513.59/347,283.83 = 89,359.67/x
3. Step 3: Cross multiply
   231,513.59x = 347,283.83 × 89,359.67
4. Step 4: Simplify right side
   231,513.59x = 31,033,169,536.74
5. Step 5: Solve for x
   x = 31,033,169,536.74/231,513.59
6. Step 6: Final answer
   x = 134,044.70