Finding the Fourth Proportional to 1,452,210.24, 2,178,522.72 and 455,016

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452,210.24 : 2,178,522.72 = 455,016 : x
2. Step 2: Convert to fraction form
   1,452,210.24/2,178,522.72 = 455,016/x
3. Step 3: Cross multiply
   1,452,210.24x = 2,178,522.72 × 455,016
4. Step 4: Simplify right side
   1,452,210.24x = 991,262,693,963.52
5. Step 5: Solve for x
   x = 991,262,693,963.52/1,452,210.24
6. Step 6: Final answer
   x = 682,588.97