Finding the Fourth Proportional to 837,020.52, 1,155,101.46 and 455,048.76

Step by Step Solution

1. Step 1: Write the proportion equation
   837,020.52 : 1,155,101.46 = 455,048.76 : x
2. Step 2: Convert to fraction form
   837,020.52/1,155,101.46 = 455,048.76/x
3. Step 3: Cross multiply
   837,020.52x = 1,155,101.46 × 455,048.76
4. Step 4: Simplify right side
   837,020.52x = 525,627,487,047.19
5. Step 5: Solve for x
   x = 525,627,487,047.19/837,020.52
6. Step 6: Final answer
   x = 627,974.43