Finding the Fourth Proportional to 1,011,196.53, 1,517,122.89 and 301,230.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011,196.53 : 1,517,122.89 = 301,230.72 : x
2. Step 2: Convert to fraction form
   1,011,196.53/1,517,122.89 = 301,230.72/x
3. Step 3: Cross multiply
   1,011,196.53x = 1,517,122.89 × 301,230.72
4. Step 4: Simplify right side
   1,011,196.53x = 457,004,020,483.18
5. Step 5: Solve for x
   x = 457,004,020,483.18/1,011,196.53
6. Step 6: Final answer
   x = 451,943.82