Finding the Fourth Proportional to 1,147,693, 1,721,815.98 and 359,725

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147,693 : 1,721,815.98 = 359,725 : x
2. Step 2: Convert to fraction form
   1,147,693/1,721,815.98 = 359,725/x
3. Step 3: Cross multiply
   1,147,693x = 1,721,815.98 × 359,725
4. Step 4: Simplify right side
   1,147,693x = 619,380,253,405.50
5. Step 5: Solve for x
   x = 619,380,253,405.50/1,147,693
6. Step 6: Final answer
   x = 539,674.16