Finding the Fourth Proportional to 1,636,617.69, 2,258,353.31 and 948,303.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,617.69 : 2,258,353.31 = 948,303.18 : x
2. Step 2: Convert to fraction form
   1,636,617.69/2,258,353.31 = 948,303.18/x
3. Step 3: Cross multiply
   1,636,617.69x = 2,258,353.31 × 948,303.18
4. Step 4: Simplify right side
   1,636,617.69x = 2,141,603,620,695.01
5. Step 5: Solve for x
   x = 2,141,603,620,695.01/1,636,617.69
6. Step 6: Final answer
   x = 1,308,554.61