Finding the Fourth Proportional to 1,910,538.61, 2,636,729.36 and 1,426,262.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910,538.61 : 2,636,729.36 = 1,426,262.83 : x
2. Step 2: Convert to fraction form
   1,910,538.61/2,636,729.36 = 1,426,262.83/x
3. Step 3: Cross multiply
   1,910,538.61x = 2,636,729.36 × 1,426,262.83
4. Step 4: Simplify right side
   1,910,538.61x = 3,760,669,071,806.38
5. Step 5: Solve for x
   x = 3,760,669,071,806.38/1,910,538.61
6. Step 6: Final answer
   x = 1,968,381.61