Finding the Fourth Proportional to 740,714.32, 1,022,181 and 418,528.72

Step by Step Solution

1. Step 1: Write the proportion equation
   740,714.32 : 1,022,181 = 418,528.72 : x
2. Step 2: Convert to fraction form
   740,714.32/1,022,181 = 418,528.72/x
3. Step 3: Cross multiply
   740,714.32x = 1,022,181 × 418,528.72
4. Step 4: Simplify right side
   740,714.32x = 427,812,105,538.32
5. Step 5: Solve for x
   x = 427,812,105,538.32/740,714.32
6. Step 6: Final answer
   x = 577,566.94