Finding the Fourth Proportional to 1,126,417.25, 1,689,729.69 and 368,262.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,126,417.25 : 1,689,729.69 = 368,262.72 : x
2. Step 2: Convert to fraction form
   1,126,417.25/1,689,729.69 = 368,262.72/x
3. Step 3: Cross multiply
   1,126,417.25x = 1,689,729.69 × 368,262.72
4. Step 4: Simplify right side
   1,126,417.25x = 622,264,453,085.14
5. Step 5: Solve for x
   x = 622,264,453,085.14/1,126,417.25
6. Step 6: Final answer
   x = 552,428.02