Finding the Fourth Proportional to 781,667.69, 1,172,324.41 and 397,026.63

Step by Step Solution

1. Step 1: Write the proportion equation
   781,667.69 : 1,172,324.41 = 397,026.63 : x
2. Step 2: Convert to fraction form
   781,667.69/1,172,324.41 = 397,026.63/x
3. Step 3: Cross multiply
   781,667.69x = 1,172,324.41 × 397,026.63
4. Step 4: Simplify right side
   781,667.69x = 465,444,008,776.47
5. Step 5: Solve for x
   x = 465,444,008,776.47/781,667.69
6. Step 6: Final answer
   x = 595,449.98