Finding the Fourth Proportional to 1,538,894.98, 2,308,381.89 and 729,089.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,894.98 : 2,308,381.89 = 729,089.83 : x
2. Step 2: Convert to fraction form
   1,538,894.98/2,308,381.89 = 729,089.83/x
3. Step 3: Cross multiply
   1,538,894.98x = 2,308,381.89 × 729,089.83
4. Step 4: Simplify right side
   1,538,894.98x = 1,683,017,759,755.18
5. Step 5: Solve for x
   x = 1,683,017,759,755.18/1,538,894.98
6. Step 6: Final answer
   x = 1,093,653.42