Finding the Fourth Proportional to 1,145,488.68, 1,718,099.58 and 304,105.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,488.68 : 1,718,099.58 = 304,105.80 : x
2. Step 2: Convert to fraction form
   1,145,488.68/1,718,099.58 = 304,105.80/x
3. Step 3: Cross multiply
   1,145,488.68x = 1,718,099.58 × 304,105.80
4. Step 4: Simplify right side
   1,145,488.68x = 522,484,047,255.56
5. Step 5: Solve for x
   x = 522,484,047,255.56/1,145,488.68
6. Step 6: Final answer
   x = 456,123.27