Finding the Fourth Proportional to 761,621.46, 1,051,019.73 and 422,082.42

Step by Step Solution

1. Step 1: Write the proportion equation
   761,621.46 : 1,051,019.73 = 422,082.42 : x
2. Step 2: Convert to fraction form
   761,621.46/1,051,019.73 = 422,082.42/x
3. Step 3: Cross multiply
   761,621.46x = 1,051,019.73 × 422,082.42
4. Step 4: Simplify right side
   761,621.46x = 443,616,951,106.15
5. Step 5: Solve for x
   x = 443,616,951,106.15/761,621.46
6. Step 6: Final answer
   x = 582,463.83