Finding the Fourth Proportional to 1,194,404.50, 1,648,278.23 and 657,860.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194,404.50 : 1,648,278.23 = 657,860.50 : x
2. Step 2: Convert to fraction form
   1,194,404.50/1,648,278.23 = 657,860.50/x
3. Step 3: Cross multiply
   1,194,404.50x = 1,648,278.23 × 657,860.50
4. Step 4: Simplify right side
   1,194,404.50x = 1,084,337,140,526.92
5. Step 5: Solve for x
   x = 1,084,337,140,526.92/1,194,404.50
6. Step 6: Final answer
   x = 907,847.50