Finding the Fourth Proportional to 2,389,809.18, 3,584,710.50 and 1,109,716.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389,809.18 : 3,584,710.50 = 1,109,716.66 : x
2. Step 2: Convert to fraction form
   2,389,809.18/3,584,710.50 = 1,109,716.66/x
3. Step 3: Cross multiply
   2,389,809.18x = 3,584,710.50 × 1,109,716.66
4. Step 4: Simplify right side
   2,389,809.18x = 3,978,012,963,126.93
5. Step 5: Solve for x
   x = 3,978,012,963,126.93/2,389,809.18
6. Step 6: Final answer
   x = 1,664,573.47