Finding the Fourth Proportional to 1,538,914.98, 2,308,411.92 and 729,109.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,914.98 : 2,308,411.92 = 729,109.80 : x
2. Step 2: Convert to fraction form
   1,538,914.98/2,308,411.92 = 729,109.80/x
3. Step 3: Cross multiply
   1,538,914.98x = 2,308,411.92 × 729,109.80
4. Step 4: Simplify right side
   1,538,914.98x = 1,683,085,753,308.82
5. Step 5: Solve for x
   x = 1,683,085,753,308.82/1,538,914.98
6. Step 6: Final answer
   x = 1,093,683.39