Finding the Fourth Proportional to 730,040.02, 1,007,444.72 and 407,754.78

Step by Step Solution

1. Step 1: Write the proportion equation
   730,040.02 : 1,007,444.72 = 407,754.78 : x
2. Step 2: Convert to fraction form
   730,040.02/1,007,444.72 = 407,754.78/x
3. Step 3: Cross multiply
   730,040.02x = 1,007,444.72 × 407,754.78
4. Step 4: Simplify right side
   730,040.02x = 410,790,400,165.76
5. Step 5: Solve for x
   x = 410,790,400,165.76/730,040.02
6. Step 6: Final answer
   x = 562,695.73