Finding the Fourth Proportional to 2,389,915.80, 3,298,098.57 and 1,423,086.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389,915.80 : 3,298,098.57 = 1,423,086.84 : x
2. Step 2: Convert to fraction form
   2,389,915.80/3,298,098.57 = 1,423,086.84/x
3. Step 3: Cross multiply
   2,389,915.80x = 3,298,098.57 × 1,423,086.84
4. Step 4: Simplify right side
   2,389,915.80x = 4,693,480,666,653.24
5. Step 5: Solve for x
   x = 4,693,480,666,653.24/2,389,915.80
6. Step 6: Final answer
   x = 1,963,868.63