Finding the Fourth Proportional to 231,877.10, 347,613.15 and 89,819.30

Step by Step Solution

1. Step 1: Write the proportion equation
   231,877.10 : 347,613.15 = 89,819.30 : x
2. Step 2: Convert to fraction form
   231,877.10/347,613.15 = 89,819.30/x
3. Step 3: Cross multiply
   231,877.10x = 347,613.15 × 89,819.30
4. Step 4: Simplify right side
   231,877.10x = 31,222,369,803.80
5. Step 5: Solve for x
   x = 31,222,369,803.80/231,877.10
6. Step 6: Final answer
   x = 134,650.51