Finding the Fourth Proportional to 977,615.53, 1,466,517.56 and 303,515.83

Step by Step Solution

1. Step 1: Write the proportion equation
   977,615.53 : 1,466,517.56 = 303,515.83 : x
2. Step 2: Convert to fraction form
   977,615.53/1,466,517.56 = 303,515.83/x
3. Step 3: Cross multiply
   977,615.53x = 1,466,517.56 × 303,515.83
4. Step 4: Simplify right side
   977,615.53x = 445,111,286,499.38
5. Step 5: Solve for x
   x = 445,111,286,499.38/977,615.53
6. Step 6: Final answer
   x = 455,303.00