Finding the Fourth Proportional to 1,117,819.69, 1,542,792.42 and 658,907.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117,819.69 : 1,542,792.42 = 658,907.06 : x
2. Step 2: Convert to fraction form
   1,117,819.69/1,542,792.42 = 658,907.06/x
3. Step 3: Cross multiply
   1,117,819.69x = 1,542,792.42 × 658,907.06
4. Step 4: Simplify right side
   1,117,819.69x = 1,016,556,809,938.52
5. Step 5: Solve for x
   x = 1,016,556,809,938.52/1,117,819.69
6. Step 6: Final answer
   x = 909,410.36