Finding the Fourth Proportional to 1,238,365.88, 1,709,131.71 and 755,211.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238,365.88 : 1,709,131.71 = 755,211.29 : x
2. Step 2: Convert to fraction form
   1,238,365.88/1,709,131.71 = 755,211.29/x
3. Step 3: Cross multiply
   1,238,365.88x = 1,709,131.71 × 755,211.29
4. Step 4: Simplify right side
   1,238,365.88x = 1,290,755,554,943.35
5. Step 5: Solve for x
   x = 1,290,755,554,943.35/1,238,365.88
6. Step 6: Final answer
   x = 1,042,305.49