Finding the Fourth Proportional to 2,384,641.60, 3,576,984.02 and 678,784.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384,641.60 : 3,576,984.02 = 678,784.23 : x
2. Step 2: Convert to fraction form
   2,384,641.60/3,576,984.02 = 678,784.23/x
3. Step 3: Cross multiply
   2,384,641.60x = 3,576,984.02 × 678,784.23
4. Step 4: Simplify right side
   2,384,641.60x = 2,428,000,322,459.16
5. Step 5: Solve for x
   x = 2,428,000,322,459.16/2,384,641.60
6. Step 6: Final answer
   x = 1,018,182.49