Finding the Fourth Proportional to 837,483.18, 1,155,669.90 and 455,501.76

Step by Step Solution

1. Step 1: Write the proportion equation
   837,483.18 : 1,155,669.90 = 455,501.76 : x
2. Step 2: Convert to fraction form
   837,483.18/1,155,669.90 = 455,501.76/x
3. Step 3: Cross multiply
   837,483.18x = 1,155,669.90 × 455,501.76
4. Step 4: Simplify right side
   837,483.18x = 526,409,673,429.02
5. Step 5: Solve for x
   x = 526,409,673,429.02/837,483.18
6. Step 6: Final answer
   x = 628,561.49