Finding the Fourth Proportional to 1,049,404.60, 1,448,136.66 and 619,822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049,404.60 : 1,448,136.66 = 619,822.72 : x
2. Step 2: Convert to fraction form
   1,049,404.60/1,448,136.66 = 619,822.72/x
3. Step 3: Cross multiply
   1,049,404.60x = 1,448,136.66 × 619,822.72
4. Step 4: Simplify right side
   1,049,404.60x = 897,588,003,532.92
5. Step 5: Solve for x
   x = 897,588,003,532.92/1,049,404.60
6. Step 6: Final answer
   x = 855,330.73