Finding the Fourth Proportional to 2,660,488.63, 3,989,892.06 and 954,593.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660,488.63 : 3,989,892.06 = 954,593.80 : x
2. Step 2: Convert to fraction form
   2,660,488.63/3,989,892.06 = 954,593.80/x
3. Step 3: Cross multiply
   2,660,488.63x = 3,989,892.06 × 954,593.80
4. Step 4: Simplify right side
   2,660,488.63x = 3,808,726,223,145.23
5. Step 5: Solve for x
   x = 3,808,726,223,145.23/2,660,488.63
6. Step 6: Final answer
   x = 1,431,588.99