Finding the Fourth Proportional to 1,164,184.98, 1,606,333.32 and 680,656.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164,184.98 : 1,606,333.32 = 680,656.56 : x
2. Step 2: Convert to fraction form
   1,164,184.98/1,606,333.32 = 680,656.56/x
3. Step 3: Cross multiply
   1,164,184.98x = 1,606,333.32 × 680,656.56
4. Step 4: Simplify right side
   1,164,184.98x = 1,093,361,311,804.58
5. Step 5: Solve for x
   x = 1,093,361,311,804.58/1,164,184.98
6. Step 6: Final answer
   x = 939,164.59