Finding the Fourth Proportional to 951,244.10, 1,427,085.74 and 320,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   951,244.10 : 1,427,085.74 = 320,142.50 : x
2. Step 2: Convert to fraction form
   951,244.10/1,427,085.74 = 320,142.50/x
3. Step 3: Cross multiply
   951,244.10x = 1,427,085.74 × 320,142.50
4. Step 4: Simplify right side
   951,244.10x = 456,870,790,182.88
5. Step 5: Solve for x
   x = 456,870,790,182.88/951,244.10
6. Step 6: Final answer
   x = 480,287.65