Finding the Fourth Proportional to 1,754,111.69, 2,631,167.63 and 424,415.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,754,111.69 : 2,631,167.63 = 424,415.69 : x
2. Step 2: Convert to fraction form
   1,754,111.69/2,631,167.63 = 424,415.69/x
3. Step 3: Cross multiply
   1,754,111.69x = 2,631,167.63 × 424,415.69
4. Step 4: Simplify right side
   1,754,111.69x = 1,116,708,825,192.11
5. Step 5: Solve for x
   x = 1,116,708,825,192.11/1,754,111.69
6. Step 6: Final answer
   x = 636,623.56