Finding the Fourth Proportional to 749,300.64, 1,034,035.92 and 422,617.92

Step by Step Solution

1. Step 1: Write the proportion equation
   749,300.64 : 1,034,035.92 = 422,617.92 : x
2. Step 2: Convert to fraction form
   749,300.64/1,034,035.92 = 422,617.92/x
3. Step 3: Cross multiply
   749,300.64x = 1,034,035.92 × 422,617.92
4. Step 4: Simplify right side
   749,300.64x = 437,002,109,715.69
5. Step 5: Solve for x
   x = 437,002,109,715.69/749,300.64
6. Step 6: Final answer
   x = 583,213.31