Finding the Fourth Proportional to 813,499.82, 1,219,389.37 and 300,835.52

Step by Step Solution

1. Step 1: Write the proportion equation
   813,499.82 : 1,219,389.37 = 300,835.52 : x
2. Step 2: Convert to fraction form
   813,499.82/1,219,389.37 = 300,835.52/x
3. Step 3: Cross multiply
   813,499.82x = 1,219,389.37 × 300,835.52
4. Step 4: Simplify right side
   813,499.82x = 366,835,637,502.81
5. Step 5: Solve for x
   x = 366,835,637,502.81/813,499.82
6. Step 6: Final answer
   x = 450,935.12