Finding the Fourth Proportional to 936,997.73, 1,404,598.72 and 396,510.51

Step by Step Solution

1. Step 1: Write the proportion equation
   936,997.73 : 1,404,598.72 = 396,510.51 : x
2. Step 2: Convert to fraction form
   936,997.73/1,404,598.72 = 396,510.51/x
3. Step 3: Cross multiply
   936,997.73x = 1,404,598.72 × 396,510.51
4. Step 4: Simplify right side
   936,997.73x = 556,938,146,865.49
5. Step 5: Solve for x
   x = 556,938,146,865.49/936,997.73
6. Step 6: Final answer
   x = 594,385.80