Finding the Fourth Proportional to 837,003.12, 1,155,050.60 and 455,039.52

Step by Step Solution

1. Step 1: Write the proportion equation
   837,003.12 : 1,155,050.60 = 455,039.52 : x
2. Step 2: Convert to fraction form
   837,003.12/1,155,050.60 = 455,039.52/x
3. Step 3: Cross multiply
   837,003.12x = 1,155,050.60 × 455,039.52
4. Step 4: Simplify right side
   837,003.12x = 525,593,670,599.71
5. Step 5: Solve for x
   x = 525,593,670,599.71/837,003.12
6. Step 6: Final answer
   x = 627,947.09