Finding the Fourth Proportional to 818,111.98, 1,227,164.61 and 249,491.41

Step by Step Solution

1. Step 1: Write the proportion equation
   818,111.98 : 1,227,164.61 = 249,491.41 : x
2. Step 2: Convert to fraction form
   818,111.98/1,227,164.61 = 249,491.41/x
3. Step 3: Cross multiply
   818,111.98x = 1,227,164.61 × 249,491.41
4. Step 4: Simplify right side
   818,111.98x = 306,167,028,851.00
5. Step 5: Solve for x
   x = 306,167,028,851.00/818,111.98
6. Step 6: Final answer
   x = 374,236.09