Finding the Fourth Proportional to 729,096.16, 1,005,748.34 and 427,231.84

Step by Step Solution

1. Step 1: Write the proportion equation
   729,096.16 : 1,005,748.34 = 427,231.84 : x
2. Step 2: Convert to fraction form
   729,096.16/1,005,748.34 = 427,231.84/x
3. Step 3: Cross multiply
   729,096.16x = 1,005,748.34 × 427,231.84
4. Step 4: Simplify right side
   729,096.16x = 429,687,713,875.15
5. Step 5: Solve for x
   x = 429,687,713,875.15/729,096.16
6. Step 6: Final answer
   x = 589,342.99